A THEORY OF TRAFFIC FLOW FOR CONGESTED CONDITIONS ON URBAN ARTERIAL STREETS II: FOUR ILLUSTRATIVE EXAMPLES

V F. Hurdle

Document Type

Journal Article

Publication Date

1992

Subject Area

operations - traffic, policy - congestion, place - urban

Keywords

Urban areas, Travel patterns, Traffic models, Traffic flow theory, Traffic flow, Traffic congestion, Origin and destination, O&D, Gridlock (Traffic), Evacuation, Emergency preparedness, Disaster preparedness

Abstract

The accompanying theoretical paper by Vaughan and Hurdle proposes an analytical model for simulating traffic conditions along a badly congested arterial street; this paper illustrates the theory by means of four example problems. The examples are all set on the same street, but the time-varying origin-destination patterns differ. The first pattern is deliberately very simple so that the results can be compared to what one would expect. The second is a slightly more complex loading which can be thought of as a disaster evacuation scenario. The third is an idealized journey-from-work scenario and the last is a modified version of the third example in which demand is elastic. These last two examples illustrate the power to deal with dynamic phenomena that the model gains by solving problems in a work space defined by location and trajectory-label axes rather than the usual time-space plane.

Comments

Transportation Research Part B Home Page: http://www.sciencedirect.com/science/journal/01912615

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