opentrack simulation for suburban tunnel in paris (rer b & d) · 2010. 5. 20. ·...
TRANSCRIPT
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©E
GIS
-E
RIC
BE
NA
RD
OpenTrack simulationfor suburban tunnelin Paris (RER B & D)
PresentationOpentrack – Viriato workshopJanuary 24th, 2008Zurich, Switzerland
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Table of contents
� Introduction
� Overall context
� Main technical data
� Major stakes
� Before simulating : our method
� Simulation in several steps
� Interesting scenarios
� Conclusion
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1. Introduction : Dense transport networkInside Paris
- Underground :16 lines (1 automated),211 km, 300 stations
- Regional trains crossingthe city :5 lines, 31 stations
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1. Introduction : Project locationStade de France St-Denis
St-Michel-Notre Dame
La Plaine Stade de France
Gare de Lyon
GARE DU NORD
CHÂTELET LES HALLES
Gare du Nord +Châtelet les Halles :2 major nodes inthe Paris transportnetwork
TourEiffel
Montmartre
Louvre
Notre Dame
Arc deTriomphe
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2. Overall context
� Operating problem :
� Convergence of 2 overcrowded lines on the same double track tunnel
� Regularity and customer satisfaction declining
� Choices to be made by the Transport Authority to improve fluidity
� Client : Syndicat des Transports d’Ile de France (STIF)
� Transport authority of Ile de France region
� Technical partners : the operators running trains in the tunnel
� RATP (Paris region transport company) � southern part of line B
� SNCF : National railway company � northern part of line B & line D
� Support : Mr Huerlimann – OpenTrack Gmbh
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3. Main technical data� Timetable : 32 trains per hour per direction =
20 trains line B + 12 trains line D
� Headway : 90 secondes,
theoretical headway < 90 sec
� Two controlling stations (RATP & SNCF)
� Two types of rolling stock
� Two electrical power supply systems(change at Gare du Nord)
� Driver change for line B at Gare du Nord (change between RATP and SNCF)
� Use of an « extra track » in Châtelet station, called « voie Z » by line D.
StudyPerimeter
RER B
Main study
zone
Practical
Modeling
zone
RER D
RER D
RER B
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3. Main technical data
� Focus on station : Châtelet-les-Halles
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
Not simulated
Dedicated tracks in the station – No interactions with lines B & D
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� Focus on station : Gare du Nord
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
3. Main technical data
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4. Major stakes
� Dense traffic � one of the most heavily occupied railway sections in France
� 32 trains per hour and per direction
� Gare du Nord + Châtelet les Halles : 2 major nodes in Paris network
� Signalling system in the tunnel
� Classic signal system : fixed block 3 aspects signalling
� Continuous Speed Control � acceleration authorised before signal sighted
� Different driving behaviour between SNCF and RATP personal
� Change of conductor in Gare du Nord
� Dwell time : 2 minutes in reality, instead of 1 minute in timetable
� Major goals for regularity
� Intention of Transport Authority : allowing more trains on the line each hour
� Today : every peak hour, 2 trains cancelled by direction
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5. Before simulating : Present situationDiagnostic and analysis of present operations, normal situation without major disturbances
� Theoretical timetable
� Number of trains
� Different headways (ex : a train every 3 min for line B)
� Identification of peak hours
� Real operating data (statistics concerning a representative period)
� Distribution of delays on arrival at stations
� Distribution of dwell times
� Use of track Z in Châtelet station
� Headways between trains
� Site visits
� Tracks
� Interlocking posts
� Cab rides
25 trains p.h.p.d. in
reality
32 trains p.h.p.d.
in theory
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5. Model calibration chart
OPENTRACKModel
calibrated and
validated
simulationResults from
simulating the
present situation
Modelling
Input data (entering
delays in the practical
modelling zone)
Analysis
Identical results vs.
measured values ?(i.e. within
tolerances)
Data measured during target period of reference
20 days from the 4th to 29th September 2006
Arrival delays measured in
stations surrounding the main
study zone (departures toward
study zone)
Departure delays measured in
stations surrounding
the main study zone
(departures toward study zone)
Calibrationiterations
YES
NO
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� Basic definition
� Infrastructure (tracks, station platforms, speeds, signals, routes settings)
� Rolling stock (types and performances)
� Timetable
� Calibration method
� Extended peak hours, 06.00 - 10.00
� Filtering of circulations : from 5560 trains planned to 4920 trains used (data considered reliable)
� 20 simulation runs
� Calibration criteria
� Shortened peak period : 07.15 - 09.15
� Filtering of circulations : from 4920 trains to 2145 trains in that specific period
� Delays on arrival at stations (Average, standard deviation, correlation)
5. Before simulating : Model calibration
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� Based on the calibrated model
� All trains within the theoretical timetable
� Infrastructure unchanged
� Modification of injection rules for line B South > North
� Evaluation criteria of reference (also used to evaluate scenarios)
� Peak hour capacity
� Overall delay for each line, end of main study zone
� Mean delays + standard deviation
5. Before simulating : Reference
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6. Simulation in several steps : scenarios
� Modelling of the following parameters, according to the scenario
� Infrastructure
� Initial delay (piecewise linear distribution)
� Timetable and dwell times
� Rolling stock
� Visualisation on screen � check of correct modelling
� Simulation : 20 runs for each scenario, without visualisation
� Statistical analysis
� « OT_timetablestatistics.txt » file, wasn’t helpful, only the last run recorded
� Our partner, Mr Huerlimann developped a new file with the listing of 20 runs
� Direct use of the Excel file in a specific Excel based program
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6. Outputs …
0%
10%
20%
30%
40%
50%
60%
-2' à
-1'
-1' à
0'
0' à
1'1' à
2'
2' à 3
'3'
à 4'
4' à 5
'5' à
6'
6' à 7
'7' à
8'
8' à 9
'9'
à 10'
10' à 1
1'11
' à 1
2'12'
à 13'
13' à 1
4'14
' à 1
5'
Situation de référence
Scénario 2 : suppression dere lève conducteur67% 33%
5 min
75 %25 %
Sens Nord > Sud Châtelet-les-Halles – ligne B
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7. Interesting scenarios� Short term scenario : Turnaround at Châtelet-les-Halles using track Z
� Line RER D : lower traffic in the tunnel• 4 trains / 12 stop at Châtelet les Halles, on a dedicated track (voie Z)
• 8 trains remaining in the tunnel each hour
� Line RER B : all trains continuing in the tunnel (20 each peak hour)
� Short term scenario : Suppression of driver change
� Only line B concerned, today both operated by SNCF and RATP in their perimeter
� Harmonization of driving behaviors in the tunnel (start on « yellow » warning signals)
� Reduction of dwell times for RER B in Gare du Nord (= Châtelet times)
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7. Interesting scenarios� Mid term scenario : Automated driving
� All trains runned following ATP rules in extended perimeter (cf. SACEM system)
� Modification of Perf. on time : 100%
� Running times and dwell times unchanged
� Block shortening + added signals
Speed followingtoday’s signaling
Trackcircuit
Maximumauthorized
speed
Distance
Speed
TrainTrain
A B C
Speed followingSACEM signaling
� Rail switch in Gare du Nord
� > South : allowing RER B on tracks originally dedicated to RER D
� > North : possible track interchange for both line
� Running times and dwell times unchanged
� Adding priorities
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8. Conclusion
� Specificity of the study
� 40 modelled scenarios with OT (27 « officialy » ordered by client)
� A 18 months study, 6 sessions of simulation
� OT : a tool for concensus between authority and operators
� Statistical approach of the problem
� Possible improvements
� Different boarding-unboarding times according to rolling stock
� Interface with other simulation software (i.e. : Simwalk)
� Definition of crowds on platform : impact on dwell times
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Thank you for your attention !!!
I’m available for your questions
End …
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Brief history of line RER B and RER D
� From 1846 : historical « ligne de Sceaux » ending first at Denfert-Rochereau, later at Luxembourg,
� 1977 : continuation under the Seine river, until Châtelet les Halles,
� 1981 : opening of the Châtelet – Gare du Nord tunnel
� 1983 : junction with Roissy-Rail airport courses and the Mitry – Gare du Nord line = today’s line B
� 1987 ���� 1990 : trains coming from Villiers le Bel, Goussainville and Orry la Ville stopping first at Gare du Nord, extended at Châtelet les Halles (via existing tunnel)
� 1995 : opening of the Châtelet – Gare de Lyon underground section, trains heading toward Melun, La Ferté-Alais and Malesherbes
� 1998 : opening of Stade de France Saint-Denis stationSt-Rémy-lès-Chevreuse
Denfert-Rochereau
Luxembourg
Châtelet les Halles
Gare du Nord
Robinson
Villiers-le-Bel
Goussainville
Orry-la-Ville Coye
Gare de Lyon
Melun
Malesherbes
La Ferté Alais
AéroportCDG
Mitry-ClayeStade de France
Saint Denis
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Rolling stock involved in the tunnel
• Date of construction : 1980-1983• V max : 140 km/h• Max passenger capacity : 843 p.• Lenght : 104 m• Weight : 283 T• Concerned line : RER B
(also running on line A)
• Date of construction : 1988 - 1998• V max : 140 km/h• Max passenger capacity : 1413 p.• Lenght : 129 m• Weight : 381 T• Concerned line : RER D
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Ile-de-France regional rail network
• Réseau Express Régional• Strong and identified network• Paris underground cross-over• 2 operators : RATP + SNCF
• SNCF operation (Transilien)• Basic commuter lines• Terminus in 6 main stations• Possible shared trunks with
RER linesPARIS
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7. Other scenarios – selected list� Basic senarios
� Equal RS performances for both lines
� Modification of line D headway
� 2nd tunnel between surrounding stations
� Modification of injection following improvements outside perimeter
� Combined scenarios
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What is Egis Rail ?
Rail and transit consultants and engineers, formerly named SEMALY, created in 1968
�Ministries of Transport�Regional or City Authorities�Operators�Private Consortia, etc…
� Metro� Light Rail Transit� Conventional Rail� High Speed Lines
Europe’s major financial institution, N°1 French financial group
A French consulting, engineering and operating firm,
dedicated to development infrastructures
Covering all types of transport projects For the benefit of
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Egis Rail ? Range of services
�Planning studies, Consultancy and Audits
�Design
�Procurement assistance
�Construction management and supervision
�Manufacturing control
�Testing and commissioning
�Maintenance management
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Egis Rail ? References
�METRO
LYON : whole network(line D, fully automated)
MARSEILLESExtension of the network
Tunnel boringmachine
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Egis Rail ? References
� LIGHT RAIL TRANSIT
DUBLIN: Technical Design& Construction Management
OPORTO: integrated engineeringwithin a private Consortium
KRAKOW : design assistanceand construction supervision
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©E
GIS
-E
RIC
BE
NA
RD
OpenTrack simulationfor suburban tunnelin Paris (RER B & D)
PresentationOpentrack – Viriato workshopJanuary 24th, 2008Zurich, Switzerland
![Page 29: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/29.jpg)
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Table of contents
� Introduction
� Overall context
� Main technical data
� Major stakes
� Before simulating : our method
� Simulation in several steps
� Interesting scenarios
� Conclusion
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1. Introduction : Dense transport networkInside Paris
- Underground :16 lines (1 automated),211 km, 300 stations
- Regional trains crossingthe city :5 lines, 31 stations
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1. Introduction : Project locationStade de France St-Denis
St-Michel-Notre Dame
La Plaine Stade de France
Gare de Lyon
GARE DU NORD
CHÂTELET LES HALLES
Gare du Nord +Châtelet les Halles :2 major nodes inthe Paris transportnetwork
TourEiffel
Montmartre
Louvre
Notre Dame
Arc deTriomphe
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2. Overall context
� Operating problem :
� Convergence of 2 overcrowded lines on the same double track tunnel
� Regularity and customer satisfaction declining
� Choices to be made by the Transport Authority to improve fluidity
� Client : Syndicat des Transports d’Ile de France (STIF)
� Transport authority of Ile de France region
� Technical partners : the operators running trains in the tunnel
� RATP (Paris region transport company) � southern part of line B
� SNCF : National railway company � northern part of line B & line D
� Support : Mr Huerlimann – OpenTrack Gmbh
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3. Main technical data� Timetable : 32 trains per hour per direction =
20 trains line B + 12 trains line D
� Headway : 90 secondes,
theoretical headway < 90 sec
� Two controlling stations (RATP & SNCF)
� Two types of rolling stock
� Two electrical power supply systems(change at Gare du Nord)
� Driver change for line B at Gare du Nord (change between RATP and SNCF)
� Use of an « extra track » in Châtelet station, called « voie Z » by line D.
StudyPerimeter
RER B
Main study
zone
Practical
Modeling
zone
RER D
RER D
RER B
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3. Main technical data
� Focus on station : Châtelet-les-Halles
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
Not simulated
Dedicated tracks in the station – No interactions with lines B & D
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� Focus on station : Gare du Nord
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
3. Main technical data
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4. Major stakes
� Dense traffic � one of the most heavily occupied railway sections in France
� 32 trains per hour and per direction
� Gare du Nord + Châtelet les Halles : 2 major nodes in Paris network
� Signalling system in the tunnel
� Classic signal system : fixed block 3 aspects signalling
� Continuous Speed Control � acceleration authorised before signal sighted
� Different driving behaviour between SNCF and RATP personal
� Change of conductor in Gare du Nord
� Dwell time : 2 minutes in reality, instead of 1 minute in timetable
� Major goals for regularity
� Intention of Transport Authority : allowing more trains on the line each hour
� Today : every peak hour, 2 trains cancelled by direction
![Page 37: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/37.jpg)
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5. Before simulating : Present situationDiagnostic and analysis of present operations, normal situation without major disturbances
� Theoretical timetable
� Number of trains
� Different headways (ex : a train every 3 min for line B)
� Identification of peak hours
� Real operating data (statistics concerning a representative period)
� Distribution of delays on arrival at stations
� Distribution of dwell times
� Use of track Z in Châtelet station
� Headways between trains
� Site visits
� Tracks
� Interlocking posts
� Cab rides
25 trains p.h.p.d. in
reality
32 trains p.h.p.d.
in theory
![Page 38: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/38.jpg)
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5. Model calibration chart
OPENTRACKModel
calibrated and
validated
simulationResults from
simulating the
present situation
Modelling
Input data (entering
delays in the practical
modelling zone)
Analysis
Identical results vs.
measured values ?(i.e. within
tolerances)
Data measured during target period of reference
20 days from the 4th to 29th September 2006
Arrival delays measured in
stations surrounding the main
study zone (departures toward
study zone)
Departure delays measured in
stations surrounding
the main study zone
(departures toward study zone)
Calibrationiterations
YES
NO
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� Basic definition
� Infrastructure (tracks, station platforms, speeds, signals, routes settings)
� Rolling stock (types and performances)
� Timetable
� Calibration method
� Extended peak hours, 06.00 - 10.00
� Filtering of circulations : from 5560 trains planned to 4920 trains used (data considered reliable)
� 20 simulation runs
� Calibration criteria
� Shortened peak period : 07.15 - 09.15
� Filtering of circulations : from 4920 trains to 2145 trains in that specific period
� Delays on arrival at stations (Average, standard deviation, correlation)
5. Before simulating : Model calibration
![Page 40: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/40.jpg)
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� Based on the calibrated model
� All trains within the theoretical timetable
� Infrastructure unchanged
� Modification of injection rules for line B South > North
� Evaluation criteria of reference (also used to evaluate scenarios)
� Peak hour capacity
� Overall delay for each line, end of main study zone
� Mean delays + standard deviation
5. Before simulating : Reference
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6. Simulation in several steps : scenarios
� Modelling of the following parameters, according to the scenario
� Infrastructure
� Initial delay (piecewise linear distribution)
� Timetable and dwell times
� Rolling stock
� Visualisation on screen � check of correct modelling
� Simulation : 20 runs for each scenario, without visualisation
� Statistical analysis
� « OT_timetablestatistics.txt » file, wasn’t helpful, only the last run recorded
� Our partner, Mr Huerlimann developped a new file with the listing of 20 runs
� Direct use of the Excel file in a specific Excel based program
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6. Outputs …
0%
10%
20%
30%
40%
50%
60%
-2' à
-1'
-1' à
0'
0' à
1'1' à
2'
2' à 3
'3'
à 4'
4' à 5
'5' à
6'
6' à 7
'7' à
8'
8' à 9
'9'
à 10'
10' à 1
1'11
' à 1
2'12'
à 13'
13' à 1
4'14
' à 1
5'
Situation de référence
Scénario 2 : suppression dere lève conducteur67% 33%
5 min
75 %25 %
Sens Nord > Sud Châtelet-les-Halles – ligne B
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7. Interesting scenarios� Short term scenario : Turnaround at Châtelet-les-Halles using track Z
� Line RER D : lower traffic in the tunnel• 4 trains / 12 stop at Châtelet les Halles, on a dedicated track (voie Z)
• 8 trains remaining in the tunnel each hour
� Line RER B : all trains continuing in the tunnel (20 each peak hour)
� Short term scenario : Suppression of driver change
� Only line B concerned, today both operated by SNCF and RATP in their perimeter
� Harmonization of driving behaviors in the tunnel (start on « yellow » warning signals)
� Reduction of dwell times for RER B in Gare du Nord (= Châtelet times)
![Page 44: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/44.jpg)
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7. Interesting scenarios� Mid term scenario : Automated driving
� All trains runned following ATP rules in extended perimeter (cf. SACEM system)
� Modification of Perf. on time : 100%
� Running times and dwell times unchanged
� Block shortening + added signals
Speed followingtoday’s signaling
Trackcircuit
Maximumauthorized
speed
Distance
Speed
TrainTrain
A B C
Speed followingSACEM signaling
� Rail switch in Gare du Nord
� > South : allowing RER B on tracks originally dedicated to RER D
� > North : possible track interchange for both line
� Running times and dwell times unchanged
� Adding priorities
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8. Conclusion
� Specificity of the study
� 40 modelled scenarios with OT (27 « officialy » ordered by client)
� A 18 months study, 6 sessions of simulation
� OT : a tool for concensus between authority and operators
� Statistical approach of the problem
� Possible improvements
� Different boarding-unboarding times according to rolling stock
� Interface with other simulation software (i.e. : Simwalk)
� Definition of crowds on platform : impact on dwell times
![Page 46: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/46.jpg)
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Thank you for your attention !!!
I’m available for your questions
End …
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Brief history of line RER B and RER D
� From 1846 : historical « ligne de Sceaux » ending first at Denfert-Rochereau, later at Luxembourg,
� 1977 : continuation under the Seine river, until Châtelet les Halles,
� 1981 : opening of the Châtelet – Gare du Nord tunnel
� 1983 : junction with Roissy-Rail airport courses and the Mitry – Gare du Nord line = today’s line B
� 1987 ���� 1990 : trains coming from Villiers le Bel, Goussainville and Orry la Ville stopping first at Gare du Nord, extended at Châtelet les Halles (via existing tunnel)
� 1995 : opening of the Châtelet – Gare de Lyon underground section, trains heading toward Melun, La Ferté-Alais and Malesherbes
� 1998 : opening of Stade de France Saint-Denis stationSt-Rémy-lès-Chevreuse
Denfert-Rochereau
Luxembourg
Châtelet les Halles
Gare du Nord
Robinson
Villiers-le-Bel
Goussainville
Orry-la-Ville Coye
Gare de Lyon
Melun
Malesherbes
La Ferté Alais
AéroportCDG
Mitry-ClayeStade de France
Saint Denis
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Rolling stock involved in the tunnel
• Date of construction : 1980-1983• V max : 140 km/h• Max passenger capacity : 843 p.• Lenght : 104 m• Weight : 283 T• Concerned line : RER B
(also running on line A)
• Date of construction : 1988 - 1998• V max : 140 km/h• Max passenger capacity : 1413 p.• Lenght : 129 m• Weight : 381 T• Concerned line : RER D
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Ile-de-France regional rail network
• Réseau Express Régional• Strong and identified network• Paris underground cross-over• 2 operators : RATP + SNCF
• SNCF operation (Transilien)• Basic commuter lines• Terminus in 6 main stations• Possible shared trunks with
RER linesPARIS
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7. Other scenarios – selected list� Basic senarios
� Equal RS performances for both lines
� Modification of line D headway
� 2nd tunnel between surrounding stations
� Modification of injection following improvements outside perimeter
� Combined scenarios
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What is Egis Rail ?
Rail and transit consultants and engineers, formerly named SEMALY, created in 1968
�Ministries of Transport�Regional or City Authorities�Operators�Private Consortia, etc…
� Metro� Light Rail Transit� Conventional Rail� High Speed Lines
Europe’s major financial institution, N°1 French financial group
A French consulting, engineering and operating firm,
dedicated to development infrastructures
Covering all types of transport projects For the benefit of
![Page 52: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/52.jpg)
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Egis Rail ? Range of services
�Planning studies, Consultancy and Audits
�Design
�Procurement assistance
�Construction management and supervision
�Manufacturing control
�Testing and commissioning
�Maintenance management
![Page 53: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/53.jpg)
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Egis Rail ? References
�METRO
LYON : whole network(line D, fully automated)
MARSEILLESExtension of the network
Tunnel boringmachine
![Page 54: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/54.jpg)
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Egis Rail ? References
� LIGHT RAIL TRANSIT
DUBLIN: Technical Design& Construction Management
OPORTO: integrated engineeringwithin a private Consortium
KRAKOW : design assistanceand construction supervision
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©E
GIS
-E
RIC
BE
NA
RD
OpenTrack simulationfor suburban tunnelin Paris (RER B & D)
PresentationOpentrack – Viriato workshopJanuary 24th, 2008Zurich, Switzerland
![Page 56: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/56.jpg)
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Table of contents
� Introduction
� Overall context
� Main technical data
� Major stakes
� Before simulating : our method
� Simulation in several steps
� Interesting scenarios
� Conclusion
![Page 57: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/57.jpg)
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1. Introduction : Dense transport networkInside Paris
- Underground :16 lines (1 automated),211 km, 300 stations
- Regional trains crossingthe city :5 lines, 31 stations
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1. Introduction : Project locationStade de France St-Denis
St-Michel-Notre Dame
La Plaine Stade de France
Gare de Lyon
GARE DU NORD
CHÂTELET LES HALLES
Gare du Nord +Châtelet les Halles :2 major nodes inthe Paris transportnetwork
TourEiffel
Montmartre
Louvre
Notre Dame
Arc deTriomphe
![Page 59: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/59.jpg)
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2. Overall context
� Operating problem :
� Convergence of 2 overcrowded lines on the same double track tunnel
� Regularity and customer satisfaction declining
� Choices to be made by the Transport Authority to improve fluidity
� Client : Syndicat des Transports d’Ile de France (STIF)
� Transport authority of Ile de France region
� Technical partners : the operators running trains in the tunnel
� RATP (Paris region transport company) � southern part of line B
� SNCF : National railway company � northern part of line B & line D
� Support : Mr Huerlimann – OpenTrack Gmbh
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3. Main technical data� Timetable : 32 trains per hour per direction =
20 trains line B + 12 trains line D
� Headway : 90 secondes,
theoretical headway < 90 sec
� Two controlling stations (RATP & SNCF)
� Two types of rolling stock
� Two electrical power supply systems(change at Gare du Nord)
� Driver change for line B at Gare du Nord (change between RATP and SNCF)
� Use of an « extra track » in Châtelet station, called « voie Z » by line D.
StudyPerimeter
RER B
Main study
zone
Practical
Modeling
zone
RER D
RER D
RER B
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3. Main technical data
� Focus on station : Châtelet-les-Halles
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
Not simulated
Dedicated tracks in the station – No interactions with lines B & D
![Page 62: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/62.jpg)
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� Focus on station : Gare du Nord
����St Michel Notre Dame (south)(north) La Plaine Stade de France
���� Paris Gare de Lyon (south)(north) Stade de France – St Denis
3. Main technical data
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4. Major stakes
� Dense traffic � one of the most heavily occupied railway sections in France
� 32 trains per hour and per direction
� Gare du Nord + Châtelet les Halles : 2 major nodes in Paris network
� Signalling system in the tunnel
� Classic signal system : fixed block 3 aspects signalling
� Continuous Speed Control � acceleration authorised before signal sighted
� Different driving behaviour between SNCF and RATP personal
� Change of conductor in Gare du Nord
� Dwell time : 2 minutes in reality, instead of 1 minute in timetable
� Major goals for regularity
� Intention of Transport Authority : allowing more trains on the line each hour
� Today : every peak hour, 2 trains cancelled by direction
![Page 64: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/64.jpg)
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5. Before simulating : Present situationDiagnostic and analysis of present operations, normal situation without major disturbances
� Theoretical timetable
� Number of trains
� Different headways (ex : a train every 3 min for line B)
� Identification of peak hours
� Real operating data (statistics concerning a representative period)
� Distribution of delays on arrival at stations
� Distribution of dwell times
� Use of track Z in Châtelet station
� Headways between trains
� Site visits
� Tracks
� Interlocking posts
� Cab rides
25 trains p.h.p.d. in
reality
32 trains p.h.p.d.
in theory
![Page 65: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/65.jpg)
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5. Model calibration chart
OPENTRACKModel
calibrated and
validated
simulationResults from
simulating the
present situation
Modelling
Input data (entering
delays in the practical
modelling zone)
Analysis
Identical results vs.
measured values ?(i.e. within
tolerances)
Data measured during target period of reference
20 days from the 4th to 29th September 2006
Arrival delays measured in
stations surrounding the main
study zone (departures toward
study zone)
Departure delays measured in
stations surrounding
the main study zone
(departures toward study zone)
Calibrationiterations
YES
NO
![Page 66: OpenTrack simulation for suburban tunnel in Paris (RER B & D) · 2010. 5. 20. · St-Michel-Notre Dame La Plaine Stade de France Gare de Lyon GARE DU NORD CHÂTELET LES HALLES Gare](https://reader033.vdocuments.mx/reader033/viewer/2022060922/60ae6d6c793759375d2e3b9d/html5/thumbnails/66.jpg)
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� Basic definition
� Infrastructure (tracks, station platforms, speeds, signals, routes settings)
� Rolling stock (types and performances)
� Timetable
� Calibration method
� Extended peak hours, 06.00 - 10.00
� Filtering of circulations : from 5560 trains planned to 4920 trains used (data considered reliable)
� 20 simulation runs
� Calibration criteria
� Shortened peak period : 07.15 - 09.15
� Filtering of circulations : from 4920 trains to 2145 trains in that specific period
� Delays on arrival at stations (Average, standard deviation, correlation)
5. Before simulating : Model calibration
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� Based on the calibrated model
� All trains within the theoretical timetable
� Infrastructure unchanged
� Modification of injection rules for line B South > North
� Evaluation criteria of reference (also used to evaluate scenarios)
� Peak hour capacity
� Overall delay for each line, end of main study zone
� Mean delays + standard deviation
5. Before simulating : Reference
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6. Simulation in several steps : scenarios
� Modelling of the following parameters, according to the scenario
� Infrastructure
� Initial delay (piecewise linear distribution)
� Timetable and dwell times
� Rolling stock
� Visualisation on screen � check of correct modelling
� Simulation : 20 runs for each scenario, without visualisation
� Statistical analysis
� « OT_timetablestatistics.txt » file, wasn’t helpful, only the last run recorded
� Our partner, Mr Huerlimann developped a new file with the listing of 20 runs
� Direct use of the Excel file in a specific Excel based program
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6. Outputs …
0%
10%
20%
30%
40%
50%
60%
-2' à
-1'
-1' à
0'
0' à
1'1' à
2'
2' à 3
'3'
à 4'
4' à 5
'5' à
6'
6' à 7
'7' à
8'
8' à 9
'9'
à 10'
10' à 1
1'11
' à 1
2'12'
à 13'
13' à 1
4'14
' à 1
5'
Situation de référence
Scénario 2 : suppression dere lève conducteur67% 33%
5 min
75 %25 %
Sens Nord > Sud Châtelet-les-Halles – ligne B
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7. Interesting scenarios� Short term scenario : Turnaround at Châtelet-les-Halles using track Z
� Line RER D : lower traffic in the tunnel• 4 trains / 12 stop at Châtelet les Halles, on a dedicated track (voie Z)
• 8 trains remaining in the tunnel each hour
� Line RER B : all trains continuing in the tunnel (20 each peak hour)
� Short term scenario : Suppression of driver change
� Only line B concerned, today both operated by SNCF and RATP in their perimeter
� Harmonization of driving behaviors in the tunnel (start on « yellow » warning signals)
� Reduction of dwell times for RER B in Gare du Nord (= Châtelet times)
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7. Interesting scenarios� Mid term scenario : Automated driving
� All trains runned following ATP rules in extended perimeter (cf. SACEM system)
� Modification of Perf. on time : 100%
� Running times and dwell times unchanged
� Block shortening + added signals
Speed followingtoday’s signaling
Trackcircuit
Maximumauthorized
speed
Distance
Speed
TrainTrain
A B C
Speed followingSACEM signaling
� Rail switch in Gare du Nord
� > South : allowing RER B on tracks originally dedicated to RER D
� > North : possible track interchange for both line
� Running times and dwell times unchanged
� Adding priorities
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8. Conclusion
� Specificity of the study
� 40 modelled scenarios with OT (27 « officialy » ordered by client)
� A 18 months study, 6 sessions of simulation
� OT : a tool for concensus between authority and operators
� Statistical approach of the problem
� Possible improvements
� Different boarding-unboarding times according to rolling stock
� Interface with other simulation software (i.e. : Simwalk)
� Definition of crowds on platform : impact on dwell times
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Thank you for your attention !!!
I’m available for your questions
End …
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Brief history of line RER B and RER D
� From 1846 : historical « ligne de Sceaux » ending first at Denfert-Rochereau, later at Luxembourg,
� 1977 : continuation under the Seine river, until Châtelet les Halles,
� 1981 : opening of the Châtelet – Gare du Nord tunnel
� 1983 : junction with Roissy-Rail airport courses and the Mitry – Gare du Nord line = today’s line B
� 1987 ���� 1990 : trains coming from Villiers le Bel, Goussainville and Orry la Ville stopping first at Gare du Nord, extended at Châtelet les Halles (via existing tunnel)
� 1995 : opening of the Châtelet – Gare de Lyon underground section, trains heading toward Melun, La Ferté-Alais and Malesherbes
� 1998 : opening of Stade de France Saint-Denis stationSt-Rémy-lès-Chevreuse
Denfert-Rochereau
Luxembourg
Châtelet les Halles
Gare du Nord
Robinson
Villiers-le-Bel
Goussainville
Orry-la-Ville Coye
Gare de Lyon
Melun
Malesherbes
La Ferté Alais
AéroportCDG
Mitry-ClayeStade de France
Saint Denis
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Rolling stock involved in the tunnel
• Date of construction : 1980-1983• V max : 140 km/h• Max passenger capacity : 843 p.• Lenght : 104 m• Weight : 283 T• Concerned line : RER B
(also running on line A)
• Date of construction : 1988 - 1998• V max : 140 km/h• Max passenger capacity : 1413 p.• Lenght : 129 m• Weight : 381 T• Concerned line : RER D
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Ile-de-France regional rail network
• Réseau Express Régional• Strong and identified network• Paris underground cross-over• 2 operators : RATP + SNCF
• SNCF operation (Transilien)• Basic commuter lines• Terminus in 6 main stations• Possible shared trunks with
RER linesPARIS
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7. Other scenarios – selected list� Basic senarios
� Equal RS performances for both lines
� Modification of line D headway
� 2nd tunnel between surrounding stations
� Modification of injection following improvements outside perimeter
� Combined scenarios
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What is Egis Rail ?
Rail and transit consultants and engineers, formerly named SEMALY, created in 1968
�Ministries of Transport�Regional or City Authorities�Operators�Private Consortia, etc…
� Metro� Light Rail Transit� Conventional Rail� High Speed Lines
Europe’s major financial institution, N°1 French financial group
A French consulting, engineering and operating firm,
dedicated to development infrastructures
Covering all types of transport projects For the benefit of
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Egis Rail ? Range of services
�Planning studies, Consultancy and Audits
�Design
�Procurement assistance
�Construction management and supervision
�Manufacturing control
�Testing and commissioning
�Maintenance management
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Egis Rail ? References
�METRO
LYON : whole network(line D, fully automated)
MARSEILLESExtension of the network
Tunnel boringmachine
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Egis Rail ? References
� LIGHT RAIL TRANSIT
DUBLIN: Technical Design& Construction Management
OPORTO: integrated engineeringwithin a private Consortium
KRAKOW : design assistanceand construction supervision