COMPUTATIONAL TOOLS FOR MEASURING SPACE-TIME ACCESSIBILITY WITHIN DYNAMIC FLOW TRANSPORTATION NETWORKS

Yujia Wu

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Transportation Planning and Optimization Urban Transport and Accessibility Urban Design and Spatial Analysis

Abstract

This paper reports on the development of dynamic space-time prism (STP) based accessibility measures and computational procedures for assessing individual accessibility in networks with time-varying flow. Static network-based STPs are extended to the case where network flow and travel velocities vary across time due to congestion. These tools can evaluate the accessibility of travelers under different traffic congestion scenarios, alternative network flow control strategies, and activity scheduling policies (e.g., flextime and telecommuting).

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2006A Temporal Constraint Theory to Explain Opportunity-Based Spatial Offending Patterns 2018Full cost accessibility 2003Space-Time User Benefit and Utility Accessibility Measures for Individual Activity Schedules 2014Space–time measures of demand for service: bridging location modelling and accessibility studies through a time‐geographic framework 2005Place-based versus People-based Accessibility 2009Location-based decision support for user groups 2018SmartTransfer 2020Home-Based Locational Accessibility to Essential Urban Services: The Case of Wake County, North Carolina, USA

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