Effects of the number of on-rampson the ring traffic flow

doi:10.1088/1674-1056/19/5/050517

Abstract Since ramp is an important composition of traffic system and there often exist multi ramps in a traffic system, the number of ramps can have great effects on main road traffic and produce some complex phenomena. In this paper, we employ the model presented by Tang et al. [2009 Communications in Theoretical Physics 51 (1) 71] to further study the effects of the number of on-ramps on the stability of traffic flow on a ring road. The numerical results show that this model can reproduce some complex traffic phenomena resulting from multi on-ramps on the ring road and the effects of the number of on-ramps on traffic flow, but the phenomena and the effects are both related to the initial density of the main road.

Keywords: traffic flow on-ramp stability

Received: 21 September 2009
Revised: 27 September 2009
Accepted manuscript online:

PACS:	89.40.Bb	(Land transportation)
	02.60.-x	(Numerical approximation and analysis)

Fund: Project supported by the Program for New Century Excellent Talents in University, China (Grant No.~NCET-08-0038), the National Natural Science Foundation of China (Grant Nos.~70701002, 70971007 and 70521001), and the National Basic Research Program of China (Grant No.~2006CB705503).

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Tang Tie-Qiao(唐铁桥), Huang Hai-Jun(黄海军), and Shang Hua-Yan(尚华艳) Effects of the number of on-rampson the ring traffic flow 2010 Chin. Phys. B 19 050517

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