A PTAL APPROACH TO MEASURING CHANGES IN BUS SERVICE ACCESSIBILITY

B M. Wu
J P. HINE

Document Type

Journal Article

Publication Date

2003

Subject Area

planning - signage/information, land use - impacts, ridership - commuting, ridership - disadvantage, technology - geographic information systems, mode - bus, mode - mass transit

Keywords

Travel time, Transportation disadvantaged persons, Transit, Time periods, Social impacts, Religion, Public transit, Networks, Mass transit, Mapping, Local transit, Journey time, Intracity bus transportation, GIS, Geographic information systems, Geocoding, Case studies, Bus transit, Belfast (Northern Ireland), Automobile ownership, Age, Accessibility

Abstract

Previous studies have highlighted the need for tools to assess the impact of interventions on the bus network and the accessibility of the system. Geographical information systems and a travel access and travel time mapping package called ACCMAP enable the analysis of transport disadvantage and accessibility. This paper provides an analysis of the Citybus Network in the Belfast area of Northern Ireland and assesses the spatial impact of a hypothetical network change on accessibility within the Citybus network area. The impact of these changes on different age, car ownership and religious groupings as measured by the Public Transport Accessibility Level approach is also examined. Findings indicate that mapping the accessibility of the Citybus network clearly shows the spatial impact of network changes in different time periods. In this case study, hypothetical network changes are shown to have a disproportionate impact on older people.

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Transport Policy Home Page: http://www.sciencedirect.com/science/journal/0967070X

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