Effects of Timetable Change on Job Accessibility

Abstract

Accessibility is seldom used as a performance measure when planning transit services. This study is conducted following introduction of new timetables intended to improve passenger throughput for Sydney's transit services, but resulted in major delays throughout the system. Cumulative accessibility to jobs at 30-minute travel threshold before and after the timetable change are calculated between 8 and 9 am, to measure change in accessibility. The results show the person-weighted accessibility dropped by 3%, from 45,070 to 43,730, and 63.3% of the population's access to jobs were adversely affected by timetable change. This study advocates for the inclusion of accessibility metrics into transit performance measures.