Abstract Regression models are employed to quantify the effects of vehicle restrictions on private and public transport passenger flows in Santiago, Chile using trip flow data for cars, buses and the city's Metro rail system. Estimates are derived for the effects of two restrictions: a permanent measure applied from April through August 2008 to vehicles without catalytic converters and additional measures that banned the use of vehicles with catalytic converters between 7:30am and 9pm on days declared as environmental “pre-emergencies” due to high air pollution levels. The estimates show that the permanent restriction had no impact on the use of private cars while the additional restriction curtailed their use by 5.5%. Also, on pre-emergency days the flow of passengers to the Metro increased by about 3% while the bus network showed no statistically significant increase. The pre-emergency restrictions thus had an effect on the ridership of the Metro but not on the bus network as alternatives to the use of private cars.
Highlights ► Our results revealed that the permanent restriction did not generate vehicle flow reductions. ► The additional restriction (20% on pre-emergency days) did produce a reduction in car use of just 5.5%. ► On pre-emergency days in Santiago, private car drivers do not turn to the bus system but do tend to use the Metro. ► We found that during the two hours preceding the restriction, the flow on pre-emergency days increased about 3.5%.
Impacts of vehicle restrictions on urban transport flows: The case of Santiago, Chile
Transport Policy ; 18 , 6 ; 862-869
2011-01-01
8 pages
Article (Journal)
Electronic Resource
English
Impacts of vehicle restrictions on urban transport flows: The case of Santiago, Chile
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