Traffic characteristics of mixed traffic flow in roundabouts

Y. Lo, P. C. Liu, Yen Yu Chen, Ka-Io Wong

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Roundabouts are widely used in urban areas. Current designs of roundabouts, such as speed limit and lane markings, are based on automobile traffic, and motorcycles and scooters traffic are not considered in details. For some cities where the usage of motorcycles is high, the design and evaluation approach may not be appropriate. This study investigates the traffic characteristics of mixed traffic flow in roundabouts. A microscopic traffic dataset is collected from a roundabout in Hsinchu City, Taiwan. The mixed traffic characteristics, such as speed profiles, trajectories, lane usages, curvature of trajectories etc., are analyzed. Our preliminary results show that there are significant differences in terms of speed distribution and lane choices between motorcycles and passenger cars at different locations of a roundabout.

Original languageEnglish
Title of host publicationProceedings of the 20th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2015
Subtitle of host publicationUrban Transport Analytics
EditorsSylvia Y. He, Yong-Hong Kuo, C.H. Cheng, Janny M.Y. Leung
PublisherHong Kong Society for Transportation Studies Limited
Pages252-259
Number of pages8
ISBN (Electronic)9789881581440
StatePublished - 1 Jan 2015
Event20th International Conference of Hong Kong Society for Transportation Studies: Urban Transport Analytics, HKSTS 2015 - Hong Kong, Hong Kong
Duration: 12 Dec 201514 Dec 2015

Publication series

NameProceedings of the 20th International Conference of Hong Kong Society for Transportation Studies, HKSTS 2015: Urban Transport Analytics

Conference

Conference20th International Conference of Hong Kong Society for Transportation Studies: Urban Transport Analytics, HKSTS 2015
CountryHong Kong
CityHong Kong
Period12/12/1514/12/15

Keywords

  • Driving behaviors
  • Mixed traffic
  • Motorcycles
  • Roundabout
  • Traffic characteristic

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