# [1]王炜.公路交通流车速-流量实用关系模型[J].东南大学学报(自然科学版),2003,33(4):487-491.[doi:10.3969/j.issn.1001-0505.2003.04.026] 　Wang Wei.Practical speed-flow relationship model of highway traffic-flow[J].Journal of Southeast University (Natural Science Edition),2003,33(4):487-491.[doi:10.3969/j.issn.1001-0505.2003.04.026] 点击复制 公路交通流车速-流量实用关系模型() 分享到： var jiathis_config = { data_track_clickback: true };

33

2003年第4期

487-491

2003-07-20

## 文章信息/Info

Title:
Practical speed-flow relationship model of highway traffic-flow

Author(s):
Wang Wei
College of Transportation, Southeast University, Nanjing 210096, China

Keywords:

U491
DOI:
10.3969/j.issn.1001-0505.2003.04.026

Abstract:
Aiming at the shortcoming in generally used speed-flow relationship model, the theoretical models of speed flow relationship for each highway class are established based upon a large number of collected traffic data. The speed flow relationship model structure under different traffic load conditions is reviewed by analyzing the traffic flow dissipation mechanism under peak hour over saturated traffic condition. A general speed-flow relationship model under any traffic load conditions is established through curve fitting of large number of observed data. The practical model parameters for each highway class under different design speed are also put forward. This model successfully solves the speed-forecasting problem of the traffic flow under peak hour over saturated condition.

## 参考文献/References:

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[3] Daganzo C F,Cassidy M J,Bertini R L.Possible explanations of phase transitions in highway traffic[J]. Transportation Research,Part A, 1999,33(5):365-379.
[4] Jiang Y.Traffic capacity speed and queue-discharge rate of Indiana’s four-lane freeway work zones[A].In: Transportation Research Record 1657,TRB,National Research Council[C].Washington D C,1999.39-44.
[5] Schonfeld P,Chien S.Optimal work zone lengths for two-lane highways[J].Journal of Transportation Engineering,Urban Transportation Division,ASCE, 1999,125(1):21-29.
[6] Nam D D,Drew D R.Analyzing freeway traffic under congestion:traffic dynamics approach[J].Journal of Transportation Engineering,Urban Transportation Division,ASCE,1998,124(3):208-212.

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