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Article
Estimation of Traffic Demand at Freeway Work Zones
Author(s)
Eil Kwon1 and Chongmyung Park2
Full-Text PDF XML 824 Views
DOI:10.17265/2328-2142/2021.01.004
Affiliation(s)
1. Department of Civil Engineering, University of Minnesota Duluth, 252 SCIV, 1405 University Dr., Duluth, MN 55812, USA
2. Department of Civil Engineering, University of Minnesota Duluth, 207 Eng, 1303 Ordean Ct., Duluth, MN 55812, USA
ABSTRACT
An iterative process,
combining a macroscopic simulator and a set of the traffic demand-change
estimation models, is developed to estimate the traffic demand at work zones in
urban freeway corridors.The process is designed to capture the interaction
between work-zone conditions and traffic diversion in determining the traffic
demand approaching the entrance and exit ramps at a given work zone. The
proposed models and process were calibrated and tested with the field data from
the work zones in the Minnesota metro-freeway network.
The test results indicate promising possibilities of the proposed process in
terms of the estimation accuracy and transferability of the demand-change
estimation models developed in this study.
KEYWORDS
Work zone, traffic demand, diversion.
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