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Analysis of the Effectiveness of Providing National Highway Detour Information via Variable Message Signs on Expressway Operations - Case of Yeongdong Expressway -

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한국도로학회논문집 (International journal of highway engineering)
한국도로학회 (Korean Society of Road Engineers)
초록

PURPOSES : Expressways experience chronic and recurring congestion, especially during weekends and holidays, because of the increased demands for leisure-related travel. The alternatives to solve chronic and recurring congestion may be three-fold: (1) physical expansion of expressway capacities, (2) road pricing, and (3) temporal and spatial distribution of traffic demands. Among these, the third alternative may be the most cost-effective method for the Korea Expressway Corporation (KEC) that can be achieved by using the existing ITS infrastructure.
METHODS : KEC initiated a pilot study in which the traffic on congested expressways was managed by providing traffic condition information (i.e., travel times) of neighboring national highways for taking detours via variable message signs (VMS). This study aimed to estimate the detour rate, and the two pilot studies on Seohaean and Yeongdong expressways yielded many benefits.
RESULTS: It was revealed that the total length of congestion segments decreased by 7.8 km, and the average travel speed increased by 5.3 km/h.
CONCLUSIONS: Based on these findings, it was concluded that the propagation of detour information via VMSs during congestion hours can help reduce congestion on expressways and increase the benefits of the entire network.

목차
1. 서론
2. 이론고찰
3. 국도우회정보 제공 효과 분석
4. 결론 및 향후 연구과제
감사의 글
REFERENCES
저자
  • 양선필(한국도로공사 아산천안건설준비단 차장) | Yang, Sun-Pil
  • 최윤택(한국도로공사 R&D본부 본부장) | Choi, Yun-Taik
  • 이강훈(한국도로공사 해외사업처 처장) | Lee, Kang-Hoon
  • 한음(아주대학교 건설교통공학과 박사과정) | Han, Eum
  • 윤일수(정회원·아주대학교 교통시스템공학과 부교수) | Yun, Ilsoo 교신저자