Journal
COMPUTERS & OPERATIONS RESEARCH
Volume 33, Issue 12, Pages 3508-3519Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cor.2005.03.029
Keywords
road networks; vehicle routing; vehicle scheduling; time-dependent networks
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Both within and between urban conurbations, the time of a journey and the corresponding shortest path in a road network from an origin to a destination may depend on the time of the day, the day of the week and the season of the year. Significant journey time differences occur mainly due to recurring instances and variations in levels of traffic congestion throughout the year. This paper examines the issues involved in constructing a database of road times for a road network that uses time-dependent data on the travel times for individual roads in the network to provide the expected times and distances between locations for journeys starting at different times. The benefits of time-dependent vehicle routing and scheduling systems are demonstrated by using real-world data for the road network in the north west of England. (c) 2005 Elsevier Ltd. All fights reserved.
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