Effects of the number of lanes on traffic characteristics: A simulation study

  • Xiaobao Yang*
  • , Ning Zhang
  • *Corresponding author for this work

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

Abstract

This paper attempts to investigate the impact of the number of lanes on freeway traffic characteristics. Methodologically, we provide a better understanding of the relationship between freeway traffic characteristics and its number of lanes upon the simulation method. An improved lane-changing model based on the Nagatani's method is proposed. Both the lane-changing process and the impact of the lane-changing vehicle on the adjacent vehicles are incorporated into the proposed model. The marginal decrease of lane capacity with the number of lanes is analyzed and validated upon the proposed lane-changing model. Moreover, the simulated results show that, the change of lane-changing activity and its associated disturbance to traffic stream causes significant differences among traffic characteristics on different-lane freeways. The results of the researches are the background support that tends to revise the highway capacity manuals, optimize planning and design of road network, and improve supervision and control of traffic network. Copyright ASCE 2009.

Original languageEnglish
Title of host publicationProceedings of the 2nd International Conference on Transportation Engineering, ICTE 2009
PublisherAmerican Society of Civil Engineers (ASCE)
Pages1945-1950
Number of pages6
ISBN (Print)9780784410394
DOIs
StatePublished - 2009
Event2nd International Conference on Transportation Engineering, ICTE 2009 - Chengdu, China
Duration: 25 Jul 200927 Jul 2009

Publication series

NameProceedings of the 2nd International Conference on Transportation Engineering, ICTE 2009

Conference

Conference2nd International Conference on Transportation Engineering, ICTE 2009
Country/TerritoryChina
CityChengdu
Period25/07/0927/07/09

Keywords

  • Number of lanes
  • Traffic characteristics
  • Traffic simulation

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