Open AccessStudy on traffic flow affected by the road turning
Author(s) -
Yu Xue,
Liang Yujuan
Publication year - 2010
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.59.5325
Subject(s) - curvature , cellular automaton , arc (geometry) , traffic flow (computer networking) , arc length , flow (mathematics) , mechanics , traffic wave , nonlinear system , falling (accident) , computer science , simulation , physics , traffic congestion , traffic congestion reconstruction with kerner's three phase theory , geometry , mathematics , engineering , transport engineering , algorithm , computer security , environmental health , quantum mechanics , medicine
Base on the NaSch model, an improved single-lane cellular automaton traffic flow model for especial road is proposed via considering effects of curvature radii, arc length and friction factor on the vehicle movement. By numerical simulation for the traffic flow with different curvature radii, arc length and friction factor, it is found that our improved model can reflect accurately the influence of special sections of a road on the running vehicles, meanwhile visualize the complex nonlinear phenomenon traffic waves of alternate running and stopping as in actual traffics. The reflecting phenomenon in actual traffics indicates that traffic accidents and congestion can be avoided by increase the curvature radii, friction factor of road turning, the capacity of road can be enhanced also.