基于危险度分析的信号交叉口专用相位设置条件

doi:10.13229/j.cnki.jdxbgxb.20210969

Abstract

Abstract:

In order to study the setting conditions of exclusive phase at signalized intersections， the typical intersections in Harbin were selected as the research object， the traffic flow parameter data were obtained by video survey， and the running trajectories of motor vehicles and pedestrians were obtained by simulation with VISSIM and SSAM software. Considering the differences between different individuals in the same type of traffic conflict， the traffic conflict index TTC is introduced to improve the original model. The signalized intersection safety evaluation model based on risk analysis is constructed， and the setting conditions of signalized intersection exclusive phases are put forward. Using the setting condition of exclusive phase based on intersection risk degree， it is judged whether the selected intersection needs to be set with exclusive phase， and the comprehensive risk degree of intersection under different control schemes is compared to verify the rationality of exclusive phase setting. The safety evaluation model of signalized intersection based on risk degree analysis proposed in this paper can distinguish the risk degree of signalized intersection， and provide reference for whether to set exclusive phase at signalized intersection from the safety point of view.

Key words: engineering of communications and transportation system, risk analysis, traffic conflict, safety assessment, exclusive phase

CLC Number:

U491.7

Guo-zhu CHENG,Lin SHENG,Hao ZHAO,Tian-jun FENG. Exclusive phase setting condition of signalized intersection based on risk analysis[J].Journal of Jilin University(Engineering and Technology Edition), 2023, 53(7): 1962-1969.

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交叉口	绿灯时间/s				信号周期/s
学府路?中兴大街	南北直行（第一相位）	南北左转（第二相位）	西直左（第三相位）	东直左（第四相位）	170
学府路?中兴大街	47	18	53	40	170
学府路?复旦街	南北直行（第一相位）	南北左转（第二相位）	东西直行（第三相位）	东西左转（第四相位）	177
学府路?复旦街	66	30	46	23	177
哈西大街?南兴街	南北直行（第一相位）	南北左转（第二相位）	东西放行（第三相位）		114
哈西大街?南兴街	50	20	35		114
和谐大道?南兴街	南北直行（第一相位）	南北左转（第二相位）	东西直行（第三相位）	东西左转（第四相位）	123
和谐大道?南兴街	39	24	26	22	123

交叉口	行驶方向	东进口道	西进口道	南进口道	北进口道
学府路?中兴大街	直行	870	752	1290	1140
	左转	248	340	456	596
	右转	392	604	324	310
学府路?复旦街	直行	1062	1410	1800	1038
	左转	288	582	594	742
	右转	384	420	804	636
哈西大街?南兴街	直行	66	78	1344	1272
	左转	42	276	396	72
	右转	54	468	66	366
和谐大道?南兴街	直行	702	750	646	730
	左转	174	436	72	348
	右转	180	258	168	462

交叉口	东进口道	西进口道	南进口道	北进口道
学府路?中兴大街	360	492	672	300
学府路?复旦街	996	648	864	708
哈西大街?南兴街	108	120	156	168
和谐大道?南兴街	111	138	165	124

冲突点类别	严重程度
机动车分流冲突点	1.00
机动车合流冲突点	1.50
机动车交叉冲突点	3.00
左转车与过街行人冲突点	1.25
右转车与过街行人冲突点	1.25

交叉口	绿灯时间/s		周期/s
交叉口	南北放行（第一相位）	东西放行（第二相位）	周期/s
学府路?中兴大街	98	66	170
学府路?复旦街	92	79	177
哈西大街?南兴街	65	43	114
和谐大道?南兴街	47	70	123

Exclusive phase setting condition of signalized intersection based on risk analysis

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