Conflict Probability Prediction and Safety Assessment of Straight-Left Traffic Flow at Signalized Intersections

Table 2

Parameter calibration.

Parameter	Value	Explanation
D (m)	3.75	Lane width
M (m)	21.5	The length of intersection
N (m)	22.5	The width of intersection
A (m)	0.5	The width of the median
B1 (m)	1.78	The width of a small car
L (m)	3.5	The length of vehicle
m	40	Cell rows
n	40	Cell columns
Vj (km/h)	12.8	Average speed
S (pcu/h)	1800	Saturated flow rate
μ1	3.25	Moment estimations of expectation of time headway
	10.32	Moment estimations of variance of time headway
μ2	0.294	The mean of the lateral deviation of straight or turning vehicles
	0.0098	The variance of the lateral deviation of straight or turning vehicles