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A Review of Technological
Improvements in BRT and BHLS
Hidalgo D. and Muñoz J.C.
Forthcoming: Public Transport 2013
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BRT
“flexible, rubber-tired
form of rapid transit
that combines stations,
vehicles, services,
running ways and
information
technologies into an
integrated system with
strong identity”
(Levinson et. al, 2003b)
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Key BRT Components
Segregated
Busways
Stations with
prepayment and
level boarding
Large buses with
multiple doors
Distinctive Image
Centralized Control
Macrobús – Guadalajara
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BHLS “is an urban transport system
integrating a bus, but within
new conditions providing an
increase in performance
thanks to a triple optimization
of:
The internal characteristics of
the technical and commercial
offer.
The integration of this offer
into the whole public
transport network.
The integration of this
network into the urban area”
(Finn et. al, 2011)
Cambridge, UK
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Key BHLS Components (for better performance)
The Busway – Nantes
Running
ways
Stations
Vehicles
Intelligent Transportation
Systems (ITS), operation
management tools
Identity of the
BHLS scheme
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evolution of the # of cities and km per decade
Total length
Before 1990 (16 cities)
1991 - 2000 (19 cities)
2001 - 2010 (103 cities) 507 km
1025 km
3707 km
BRT and busway systems in the world
Since 2011 (22 cities)
4119 km
source: BRTdata.org, August 2013
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0
25
50
75
100
125
150
175
0
5
10
15
20
25
1970 1975 1980 1985 1990 1995 2000 2005 2010
Cu
mu
lative
Nu
mb
er
of C
itie
s
Ne
w C
itie
s
Evolution of the number of cities per year
BRT and busway systems in the world
2010: Guangzhou, Hefei, Yancheng, Zaozhuang – China;
Jaipur - India; Bangkok - Thailand; East London Transit –
UK; Barranquilla, Bucaramanga – Colombia;
Ecatepec- Mexico; Brampton – Canada; …
2000: Bogotá
(TransMilenio),
Colombia
1974/1991*: Curitiba
source: BRTdata.org, August 2013
1972/2010*: Lima
* Busway / BRT year commenced
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Curitiba, RIT, 72 km median busways
1.2 million passengers per day
Initial Bus Corridor 1972
Full BRT in 1982
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1. Making buses run like surface metro –
Curitiba 1982
median bus-ways longitudinally
segregated
tube stations with fare
prepayment and level access
physical and fare integration
dispatch control at terminal
stations.
differentiated services:
Expresso, Ligerao, Ligeirinho,
Interbairros, Alimentador
Special services downtown,
hospitals, touristic bus, schools
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2010
Evolution of the Integrated Network
Source: Prefeitura de Curitiba, Parana
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“Linha Verde” Curitiba
Corredor de 18 Km
2009
Fotos: Prefeitura de Curitiba, Parana
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Expansión de Capacidad
“Corredor Boqueirao”
2010
Fo
to: P
refe
itu
ra d
e C
uritib
a, P
ara
na
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2. Implementing buses of high level of service,
The Trans Val de Marne TVM – Paris 1993
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Implementing buses of high level of service,
The Trans Val de Marne TVM – Paris 1993
Is the most used BHLS
1993 (13 km) and 2007
(7 km)
20 km bus lanes, 95%
dedicated, mostly
central segregated
29 stations (@ 700m)
39 articulated buses,
specially designed and
branded for the system
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Implementing buses of high level of service,
The Trans Val de Marne TVM – Paris 1993
Information systems
23 km/h
17 km/h minimum peak
3.5 min headway (peak)
Interval plus 3 minutes
for 96% of the pax
66,000 trips/day,
growing 7% per year
Good integration with
pedestrians and rail
(4 RER and 1 subway) New vehicle Créalis for the BHLS routes
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Quito, Metrobús-Q
Initial corridor 1995
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Trolebus in Historic Disctrict
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3. Expanding capacity with advanced operations
Bogotá, 2000
Very high capacity
48,000 pphpd
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Bogotá, TransMilenio, 90 Km busways
1,8 milion pax/day
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Bogotá TransMilenio
Eje Ambiental Avenida Jiménez
Ph
oto
IT
DP
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Express Way Lanes
TransMilenio, Bogota
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4. Integrating transit services across
modes and services – Santiago 2007
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Single process
(¿big bang?)
Fare integration
Route optimization
Formalization of
providers
Elimination of
“competition on the
street”
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The planning and implementation team was too
optimistic - the reform resulted in serious difficulties
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Despite the initial difficulties, Santiago has
risen to a higher level of performance
The current system is
better than the one it
replaced
Reductions in travel
times, emissions and
traffic incidents
Still a lot to improve
Traffic Fatalities in Santiago Source: CONACET
6366
4951
3406 3291 3047 2937
0
1000
2000
3000
4000
5000
6000
7000
2005 2006 2007 2008 2009 2010
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High commercial speed
42 km/h (now 35 km/h)
5. Introducing high speed buses on
expressways – Istanbul 2008
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45 Km central bus ways on
expressway (100% segregated)
Long station platforms -90m,
separated 1.1 km on average
Non-grade queue jumpers to
access the Bosphorus Bridge,
(mixed traffic)
Low floor buses (articulated
and bi-articulated)
30,000 passengers/ hour/
direction, 15 sec interval
600,000 passengers/day
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Expresso Tiradentes – Sao Paulo
Foto: SPTrans
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35,800 pax/day/km
6. Reducing transfers with direct services –
Guangzhou 2010
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22.5 km corridor
Long stations –from
55m to 260m, with
overtaking lanes
Combines multiple
direct services on the
same infrastructure.
27,000 pphpd
350 buses phpd
800,000 passengers per
day
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Future of BRT
Running way guidance
Vehicle propulsion technologies
Information technologies
Fare collection
Planning and controlling operations
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Running way guidance
Essen since 1980,
Leeds, Cambridge
since august 2011
Rouen, France (2001),
Castellón de la Plana,
Spain (2008), Nimes,
France (2010) and Bologna,
Italy (2010).Tested in Las
Vegas, Nevada
Mechanical Optical Magnetic
Eindhoven (2004)
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O-Bahn, Adelaide, Australia
Opened in 1986
12 Km, guided, $98 MM Aus (including buses), up to 18,000 pax/hour
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Km
(Pax/Day)
Type of
Guidance
Capital Cost
(M€)
Cost/Km
(M€)
Teor – Rouen,
France
30
(49,000)
Optical Infra 165
Buses 28
Total 193
Infra 5.5
Buses 0.9
Total 6.4
Spurbus
Essen,
Germany
16 [4]
(17,000)
Kerb Guided Infra N.A.
Buses 0.35/
unit
N.A.
TVRCAS
Castellon,
Spain
2
(3,200)
Optical
(trolleybus)
Infras 22
Buses 8
Total 30
Infra 11.0
Buses 3.8
Total 13.8
Cambridge,
UK
25
(20,000)
Kerb Guided Infra 85
Buses N.A.
Infra 3.4
Source: Finn et al, 2011
Running way guidance costs
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Vehicle propulsion technologies
Diesel - reduction of the fuel´s sulfur content,
engine improvements and filters and catalysts
Compressed natural gas CNG
Liquefied natural gas LNG
Electric (trolleybuses), since 1911, in 315 cities
Hybrid-electric drives
Battery Electric
Hydraulic Hybrids
Hydrogen powered buses
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Propulsion Standard Articulated Double-
articulated
Diesel 200 300 600
CNG 250 350 650
Hybrid 300 500 850
Trolley 400 650 1,000
Fuel Cell* > 1,000 - -
Examples of Costs of Different Vehicle Technologies in Europe (Thousand €)
Source: Finn et. al (2011) * Not yet in commercial operation
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Standard Articulated Double-
Articulated
Diesel 12 m 18 m 25 m
High Floor with
stairs 90-150 NA NA
High Floor
without stairs 130-160 330-365 490-500
Low entry 150-180 NA NA
Low floor 280-310 430-460 630-650
CNG + 20-30%
Hybrid +40-60%
Air Conditioned +15 +35
Reference costs for Euro 5 Vehicles in Mexico (Thousand USD)
Source: Suarez, 2011
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Meta-analysis of Exhaust Emissions
http://www.embarq.org/en/pro
ject/sustainable-urban-
transport-fuels-and-vehicles-
program
Authors:
Erin Cooper, Aileen Carrigan
EMBARQ
Magdala Arioli, EMBARQ Brasil
Umang Jain, EMBARQ India
Contributions: Hilda Martínez,
Jorge Macias, Cynthia
Menendez, Georg Schmid,
CTS-EMBARQ Mexico
Funding:
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Fuels and Technologies
Fuels Exhaust After Treatment Technologies
Diesel (and Hybrids) OC – Oxidation Catalyst
DPF – Diesel Particulate Filter
SCR – Selective Catalytic Reduction
EGR – Exhaust Gas Recirculation
Biodiesel (20 and 100%) SCR – Selective Catalytic Reduction
EGR – Exhaust Gas Recirculation
Compressed Natural Gas (CNG) OC – Oxidation Catalyst
TWC – Three-way Catalyst
Liquified Natural Gas (LNG)
Ethanol
Emissions vary with respect to fuels, technologies
also significantly between the same fuel type and technology
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CO results graph
Older technology
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THC results graph
Older CNG tech (mostly due to methane)
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NOx results graph
CNG with 3WC
Biodiesel
ULSD with SCR
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PM results graph
Diesel without
emission control
technologies
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CO2e results graph
ULSD, EGR, DPF, Hybrid
CNG, B20
w/o emission
control
technologies
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CO THC NOx PM CO2
LNG High Very High Medium Very Low
E95 Very High Very High Very High Very High
E93 Very High Very High Medium Very High
D50+DPF Low Very Low High Medium High
D50 Medium Very Low High Very High Medium
D15+SCR High Very Low Medium Medium Low
D15+OC Very Low Very Low Medium Medium Medium
D15+Hybrid Very Low Very Low Variable Low Variable
D15+EGR Very Low Very Low Medium Medium Very High
D15+DPF Very Low Very Low High Low Very High
D15 Low Very Low High Very High Very High
D≥150+OC Low Low High Very High Low
D≥150 Medium Low Very High Very High Medium
CNG+OC Very Low Very High High Very Low Medium
CNG+3WC Very Low Low Very Low Very Low Medium
CNG Very High Very High Very High Very Low High
B20 Low Low High Medium High
B100+SCR Medium Very Low Low Low Very Low
B100+EGR Very Low Very Low Medium Medium Low
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ITS – Fare Collection Advanced contactless smart cards are
the most common media; flexible,
secure, convenient
Technologies:
MIFARE, introduced in 1994, market
share of more than 70%
Octopus, in Honk Kong since 1997:
applications in the Netherlands,
Dubai and New Zealand
Cubic, in 40 markets around the
world
Visa/Mastercard
New: NFC and EMV; for use with cellular
phones; under development in 80
countries
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Advanced route design –
heuristics
Bus and crew scheduling
Advanced bus and crew
scheduling
Advanced operational
control AVL/CAD
Control: holding, early
doors closing, TSP
Traffic Signal Priority TSP
ITS – Planning and Operations
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Avoiding Bus Bunching through Real Time
Control Strategies
Delgado, Muñoz, Giesen
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No
Control Proposed
Wfirst 7636.32 1438.62
Std. Dev. 649.36 146.56
% reduction -81.16
Wextra 6218.71 1010.52
Std. Dev. 2265.24 82.04
% reduction -83.75
Win-veh 175.32 1561.34
Std. Dev. 31.69 77.3
% reduction 790.55
W t_light 4052.81 2965.1
Std. Dev. 88.27 110.27
% reduction -26.84
Total 18083.16 6975.58
Std. Dev. 2600.63 275.12
% reduction -61.42
Results: High frequency scenario
Transit Users
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5. Results: Bus Loads
(Capacity reached & high frequency)
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5. Results: Cycle Time
(Capacity reached & high frequency)
27-09-2013 52
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Results: Waiting time Distribution Scenario 1
(Capacity reached & high frequency)
% of passengers that have to wait between:
Period 15-25 Period 25-120
0-2 min 2-4 min > 4 min 0-2 min 2-4 min > 4 min
No Control 57.76 29.60 12.64 63.46 27.68 8.86
Threshold 78.15 20.64 1.21 82.52 16.46 1.02
H 79.24 20.29 0.47 87.30 12.62 0.08
HBL 78.47 21.33 0.20 89.40 10.59 0.01
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http://www.embarq.org/en/node/4923
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¡Muchas Gracias!
Volvo Research and Educational
Foundations