Managing Traffic Congestion in Underground Roads: Lessons From South Korea.
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| Title: | Managing Traffic Congestion in Underground Roads: Lessons From South Korea. |
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| Authors: | Yang, Choongheon1 (AUTHOR) chyang@kict.re.kr, Kim, Jinguk1 (AUTHOR), Habib, Mohammad Rezwan1 (AUTHOR) |
| Source: | Journal of Advanced Transportation. 8/31/2025, Vol. 2025, p1-19. 19p. |
| Subjects: | Traffic congestion, Underground areas, Traffic monitoring, Traffic flow, Traffic engineering |
| Geographic Terms: | South Korea, Seoul (Korea) |
| Abstract: | This study examined underground roads to evaluate the effects of traffic congestion prevention strategies. A specific framework, called the traffic congestion judgment criteria and process (TJCAP), was developed for underground road application. Using this framework, the study analyzed congestion relief effects by applying traffic strategies commonly used on surface roads. A real underground road in Seoul was used as a testbed. Microscopic traffic simulation was conducted using the VISSIM to create a realistic simulation network. The model was calibrated using observed traffic volume and speed data, both on the underground and adjacent surface roads. This approach enabled the analysis of traffic strategies aimed at reducing congestion. Results showed that the effectiveness of the strategies depends on the type of surface road (interrupted or uninterrupted flow) and its traffic conditions. In particular, the strategies were effective when the connected surface road had a level of service (LOS) of D or better. [ABSTRACT FROM AUTHOR] |
| Copyright of Journal of Advanced Transportation is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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