Abstract
Non-recurrent traffic congestion has been estimated using the capacity and the number of closed lanes in work zones and the upstream traffic demand of work zones. However, the number of closed lanes may be meaningless due to operational strategies, such as using the shoulder area and composing an additional lane by temporarily reducing the existing lane width to mitigate traffic congestion. The objective of this study is to develop a method to quantify non-recurrent traffic congestion caused by freeway work zones based on traffic flow data and spatio-temporal work zone information. In addition, to demonstrate the efficacy of the developed method, a case study is performed using 1-year historical traffic data and work zone data on major freeways in Korea.
| Original language | English |
|---|---|
| Pages (from-to) | 307-320 |
| Number of pages | 14 |
| Journal | Transportmetrica |
| Volume | 8 |
| Issue number | 4 |
| DOIs | |
| State | Published - Jul 2012 |
Bibliographical note
Funding Information:This study was supported by the Korea Transport Institute. The author thanks the Korea Expressway Corporation for providing the weather and traffic flow data.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- archived traffic flow data
- freeway work zone
- non-recurrent traffic congestion
- recurrent traffic congestion
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