The Anisotropic Mesoscopic Simulation Model on the Interrupted Highway Facilities
This paper briefly discusses research focusing on extending the Anisotropic Mesoscopic Simulation (AMS) model to interrupted flow facilities (e.g. signalized intersections). Denoted as AMS-I, the AMS-I model addresses the driver’s acceleration and deceleration dynamic upon approaching the intersection based on the signal indication, intended turning movements and geometric configuration such as turn bays. The lane groups are structured in a manner that left turning vehicles are on the left lane group, through vehicles are in the middle lane group and finally right turning vehicles are in the right lane group. There is also a notion of on/off ramps which are associated with each of the lane groups. This differentiation allows for flexibility in the model to account for spillback from left/right turning bays, freeway off/on ramps as well as ensuring that vehicles located in turning bays do not artificially impede through traffic as typical link-based queue-server models would. The AMS-I model offers a technically sound, computationally efficient traffic flow model. Its flexibility in assigning varying time-step sizes, its handling of spatial generalization of the network as well as its foundation on proven traffic flow models makes this a viable and attractive alternative.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001 -
Authors:
- Chiu, Yi-Chang
- Villalobos, Jorge Alejandro
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Conference:
- Symposium on the Fundamental Diagram: 75 Years (Greenshields 75 Symposium)
- Location: Woods Hole Massachusetts, United States
- Date: 2008-7-8 to 2008-7-10
- Publication Date: 2008
Language
- English
Media Info
- Media Type: CD-ROM
- Features: Figures; References;
- Pagination: 4p
- Monograph Title: Symposium on the Fundamental Diagram: 75 Years (Greenshields 75 Symposium), July 8-10, 2008, Woods Hole, MA. Preprints
Subject/Index Terms
- TRT Terms: Interrupted flow; Mesoscopic traffic flow; Traffic models; Traffic simulation
- Uncontrolled Terms: Anisotropic mesoscopic simulation
- Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory;
Filing Info
- Accession Number: 01109344
- Record Type: Publication
- Files: TRIS, TRB
- Created Date: Aug 25 2008 8:11AM