Variable speed limit control strategy for accident management on Taiwan freeway

Ying Lee, Chien-Hung Wei, Miao Shan Yeh

Research output: Contribution to conferencePaper

Abstract

Reduced capacity due to lane closure is inevitable while an incident occurs on the highway, which increases delay and speed variation. The homogeneity of vehicle speeds has been applied as an indicator of road safety, which can be achieved with enforced variable speed limit systems (VSLS). This research discusses 3 control strategies of VSLS during accident on highway. The real traffic and accident data will be collected from the traffic database and inputted to DynaTAIWAN to simulate the real traffic scenario on Taiwan highway for experiments. In terms of the measure of effectiveness (MOE), the adaptive speed limit control can stabilize the vehicle flows, decrease the traffic jam and smooth the variation of vehicle speed. Furthermore, it can also improve traffic congestion by accidents, and enhance the efficiency and safety under the circumstances of expressway and freeway incidents.

Original languageEnglish
Publication statusPublished - 2013 Jan 1
Event20th Intelligent Transport Systems World Congress, ITS 2013 - Tokyo, Japan
Duration: 2013 Oct 142013 Oct 18

Other

Other20th Intelligent Transport Systems World Congress, ITS 2013
CountryJapan
CityTokyo
Period13-10-1413-10-18

Fingerprint

speed limit
Highway systems
Taiwan
Accidents
accident
traffic
management
incident
traffic congestion
Traffic congestion
road
scenario
efficiency
experiment
Experiments

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Automotive Engineering
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Transportation
  • Computer Networks and Communications
  • Computer Science Applications

Cite this

Lee, Y., Wei, C-H., & Yeh, M. S. (2013). Variable speed limit control strategy for accident management on Taiwan freeway. Paper presented at 20th Intelligent Transport Systems World Congress, ITS 2013, Tokyo, Japan.
Lee, Ying ; Wei, Chien-Hung ; Yeh, Miao Shan. / Variable speed limit control strategy for accident management on Taiwan freeway. Paper presented at 20th Intelligent Transport Systems World Congress, ITS 2013, Tokyo, Japan.
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Lee, Y, Wei, C-H & Yeh, MS 2013, 'Variable speed limit control strategy for accident management on Taiwan freeway', Paper presented at 20th Intelligent Transport Systems World Congress, ITS 2013, Tokyo, Japan, 13-10-14 - 13-10-18.

Variable speed limit control strategy for accident management on Taiwan freeway. / Lee, Ying; Wei, Chien-Hung; Yeh, Miao Shan.

2013. Paper presented at 20th Intelligent Transport Systems World Congress, ITS 2013, Tokyo, Japan.

Research output: Contribution to conferencePaper

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N2 - Reduced capacity due to lane closure is inevitable while an incident occurs on the highway, which increases delay and speed variation. The homogeneity of vehicle speeds has been applied as an indicator of road safety, which can be achieved with enforced variable speed limit systems (VSLS). This research discusses 3 control strategies of VSLS during accident on highway. The real traffic and accident data will be collected from the traffic database and inputted to DynaTAIWAN to simulate the real traffic scenario on Taiwan highway for experiments. In terms of the measure of effectiveness (MOE), the adaptive speed limit control can stabilize the vehicle flows, decrease the traffic jam and smooth the variation of vehicle speed. Furthermore, it can also improve traffic congestion by accidents, and enhance the efficiency and safety under the circumstances of expressway and freeway incidents.

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Lee Y, Wei C-H, Yeh MS. Variable speed limit control strategy for accident management on Taiwan freeway. 2013. Paper presented at 20th Intelligent Transport Systems World Congress, ITS 2013, Tokyo, Japan.