NDLI: ROThAr: Real-Time On-Line Traffic Assignment with Load Estimation

Content Provider	IEEE Xplore Digital Library
Author	Saber, T. Ventresque, A. Murphy, J.
Copyright Year	2013
Description	Author affiliation: Sch. of Comput. Sci. & Inf., Univ. Coll. Dublin, Dublin, Ireland (Saber, T.; Ventresque, A.; Murphy, J.)
Abstract	More and more drivers use on-board units to help them navigate in the increasing urbanised environment they live and work in. These system (e.g., routing applications on smart phones) are now very often on-line, and use information from the traffic situation (e.g., accidents, congestion) to get the best route. We can now envisage a world where all trips are assigned and updated by such an on-line system, making the best routing decisions based on traffic conditions. The problem is that current systems consider only 'local' elements (e.g., driver preference and current traffic condition) and do not make routing decisions from a global perspective. This can lead to a lot of similar routing assignments that could lead to further traffic congestion. The objective of the next generation on-line navigation systems is then to come up with a 'smart', real-time route assignment, which balances the load between the different road segments and offers the best quality to the drivers. However, every routing decision made has an impact on the traffic conditions (one more vehicle on the road segments selected) and computing the load induced by the trips is a computationally heavy problem. This paper addresses this question of real-time on-line traffic assignment, and shows that under certain conditions it is possible to have (i) an accurate estimation of the load and travel time on every road segment and (ii) an optimised traffic assignment that adapts to divergence and evolutions (e.g., accidents) of the system.
Starting Page	79
Ending Page	86
File Size	632424
Page Count	8
File Format	PDF
ISBN	9780769551388
ISSN	15506525
DOI	10.1109/DS-RT.2013.17
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-30
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vehicles Roads Routing Real-time systems Estimation Educational institutions Sociology Traffic Assignment Global Real-time and On-line Routing Load and Travel Time Estimation
Content Type	Text
Resource Type	Article

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