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PUBLIC TRANSPORT ACCESS & RIDERSHIP: A CLEAN AIR ISSUE. Geetam Tiwari Transportation Research and Injury prevention Programme Indian Institute of Technology Delhi BAQ, Jogjakarta, 13-16 December 2006. Optimality Indicators of Transport System. Least space consumption/passenger-km

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public transport access ridership a clean air issue

PUBLIC TRANSPORT ACCESS & RIDERSHIP:A CLEAN AIR ISSUE

Geetam Tiwari

Transportation Research and Injury prevention Programme

Indian Institute of Technology Delhi

BAQ, Jogjakarta, 13-16 December 2006

optimality indicators of transport system
Optimality Indicators of Transport System
  • Least space consumption/passenger-km
  • Least energy consumption/ passenger- km
  • Least emission/passenger-km
  • Least accidents/passenger-km
comparison of optimality indicators
Comparison of Optimality Indicators

Fatalitiy does not include access trips.

Public transport- Bus and Train/metro to be given priority

priorities for optimal modal mix
Priorities for optimal modal mix
  • Preserving walking and bicycle trips in all cities
    • Mixed Landuse,
    • relationship between informal and formal sector
    • City speed limits 50km/h
    • Safe infrastructure
  • PT for serving 5-15kms long trips (30-40%) of total trips
    • Safe walking and bicycling
    • Medium density to generate sufficient demand
    • Fares to compete with MTW operating cost
trip length distribution in selected cities
TRIP LENGTH DISTRIBUTION IN SELECTED CITIES

> 85% trips are less than 10 km long

desirable trip length for users preferred choice
Desirable trip length for userspreferred choice

Distance, time, access/line haul, marginal cost, safety, security

2WH: 1.8 3WH: 2.5 Car: 4.8

Taxi: 7 Bus: 6.5 Metro: 14

issues for public transport
Issues for Public Transport
  • MTW and car trips < 10kms have to be served by PT
  • Marginal cost of using a MTW ~ Rs.60/km
  • ~ 75% of the registers vehicles are MTWs
  • Every PT trip is also a walking/bicycle trip

Catchment area of Public transport, construction time and cost should influence the choiceof technology.

200 metro users and 200 bus users survey delhi 2005
200 metro users and 200 bus users survey, Delhi 2005
  • Average number of transfers of metro users> bus users
  • Number of transfers increase with increase in journey distance
comparison of bus users bu and metro users mu delhi 2005
Comparison of Bus users (BU) and Metro users (MU), Delhi 2005
  • Access+Egress Distance ~4 Km(BU) 8 Km(MU)
    • % of Total Distance 15 45
  • Access + Egress Time 17 mn32mn
    • % of Total Time 27 67
  • Average no. of Transfers 3.53 3,81
  • Cost short distance 4 Rs 8 Rs

Long distance .20Rs .60Rs

Bus has higher accessibility than metro

conclusion
Conclusion
  • Bus system is more accessible (distance, time, cost)
  • Journey times for short trips are comparable to Metro (despite mixed traffic)
  • Load factor is close to one
  • Improved infrastructure will attract MTW users
slide12

PLANNING FOR SUSTAINABLE URBAN TRANSPORT

  • Promotion of public transport only possible if pedestrians and bicyclists are safer
  • Designs of bus stands and vehicles for safe entry and exit
  • Role of street hawkers and vendors to be integrated in road design
  • Provision of segregated bicycle lanes on all arterial roads otherwise bus operation inefficient
  • Convenient bus stop locations
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