irsc dublin 23-25 october 2006 vue n°1 international railway safety conference dublin 23 – 25...
TRANSCRIPT
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INTERNATIONAL RAILWAYINTERNATIONAL RAILWAYSAFETY CONFERENCESAFETY CONFERENCE
Dublin 23 – 25 october 2006Dublin 23 – 25 october 2006
CIRCULATION OF TRAM-TRAINSON THE FRENCH NATIONAL
RAILWAY NETWORK
Jean-Paul BALENSI
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Summary
• Recall on the concept of tram-train
• Typology of the various cases of application in France or border areas
• 1st example of application : Bondy-Aulnay
• 2nd example of application : Mulhouse / Vallée de la Thur
• Conclusion
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Recall on the concept of tram-train• Tram-train is a system including infrastructure and
rolling stock developing a specific transport service on a railway line
• According to the performances of the rolling stock, the number of stations can be increased (without increasing the time of transport) to collect more passengers along the line
• The characteristics of the rolling stock (light train) command to adapt the operations on the line to keep the same safety level as with conventional trains
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Pictures of tram-trains in operationPictures of tram-trains in operation
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Typology of the various cases of application (1)Typology of the various cases of application (1)
• The tram-train can operate on a dedicated line where no conventional train operates : it is the case of T2 in Paris or between Bondy and Aulnay where the tram uses a former railway line. In this case, the line is operated like a tramway line without signalling except in the tunnels.
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Typology of the various cases of applicationTypology of the various cases of application (2)
• Operation of the tram-train can be alternated with sequences « train ». It is the scheme of the line 2 in Montpellier where a part of the line is using a railway line supporting a very low freight traffic. In this case, the line will be operated with trams or trains during dedicated time schedulded.
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Typology of the various cases of applicationTypology of the various cases of application (3)
The infrastructure used for the tram-train services can be used by different kinds of rolling stock : conventional train (passenger and freight) and tram-trains : it will be the case in Mulhouse
KRUTH
MULHOUSE
CERNAY LUTTERBACHTHANN
Rond-Point Stricker
Porte J eune GARE
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Typology of the various cases of applicationTypology of the various cases of application (4)
• The railway infrastructure used for the tram-train services can be connected to an urban tramway line : it is the case in Sarrebrück and be the case in Mulhouse.
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T4 Bondy / AulnayT4 Bondy / Aulnay
• Length 8 km in the suburb of Paris. It is a railway line adapted for operation like a tramway line
• No signal (except on shunting routes), 25 kV 50 Hz, crossroads instead of level crossings, control on sight
• The rolling stock operates on a railway line for garage and maintenance in Noisy with railway operation procedures
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Tram-train Mulhouse / Vallée de la Thur
The length of the line is 37 km divided into 3 sections :
• a part on the urban network (line 1 and line 2)
• A single track section dedicated to the tram-train (junction between urban and railway sections)
• A single track section with mixed traffic tram-trains, passenger trains and freight trains
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Tram-train Mulhouse / Vallée de la Thur
• On the urban section the tram-trains run on sight like the trams
• On the junction section dedicated to the light vehicules, we find signals in the stations only for the single track section. Tram-trains are equiped with ATP (KVB).
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Tram-train Mulhouse / Vallée de la Thur
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Tram-train Mulhouse / Vallée de la Thur
The mixed section is operated like a railway line with specificities due to the characteristics of the tram-train :
• all the trains and tram-trains are equiped with ATP (KVB) with strong rules in case of failure
• the level crossings staying near the stations are equiped with a detection of the tram-train to postpone the sequence of the barriers and reduce the time of closure
• due to specific characteristics of the infrastructure, the tram-trains are specifically detected at the end of the railway section to stop conventionnal trains in case of error of direction to the tram section.
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Conclusion
• Light rolling stock makes possible to collect new segments of customers on the regional railway lines. Peri-urban areas are the best example
• Solutions exist to guarantee the safety at the same level as for the conventionnal railway services. They can be different according to the operation mode
• The question of frontier zone must be particulary studied because of the interfaces between railway and urban where the modes of operation are quite different.
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Thanks !