Public transport. As an air quality strategy, a primary goal of a public transport intervention involves the targeting of service improvements and enhancements in corridors and for socio-economic groups that would otherwise be expected to adopt widespread car use. Since these groups tend to be more price- than time-sensitive, service enhancements are more effective than fare restraint or fare subsidies. For many jurisdictions, this strategy may conflict with another fundamental goal of public transport policy: providing low-cost transport services to the poor. Secondary air quality goals would involve reducing the number of vehicles required to.
