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- Title
Variable speed limit strategies' analysis with cell transmission model on freeway.
- Authors
Li, Shubin; Cao, Danni
- Abstract
Mainline freeway traffic flow control is one of the primary methods of traffic management, which can present the best network situation. In this paper, we integrate variable speed limit (VSL) strategy into the cell transmission model (CTM). Then the implementation of the integrated model on freeway traffic network is discussed. A novel optimal model of controlling freeway traffic flow is proposed for minimizing the total travelling time in the network. A solution algorithm is designed by using a simulation method. Considering the main purpose of the speed limit strategy is to control the mainstream flow, we compare the case where the VSL is used with the one without VSL. A simulation is implemented to show that the control strategy is efficient in describing system's dynamic performance and the dynamic speed limit strategy significantly alleviates congestion.
- Subjects
EXPRESS highways; TRAFFIC engineering; VARIABLE speed limits; CELL transmission model (Traffic engineering); HIGHWAY engineering; TRANSPORTATION engineering
- Publication
Modern Physics Letters B, 2017, Vol 31, Issue 24, p-1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984917502190