A Coordinated Allocation Method for Right-Turn Strategy at Signalized Intersections with Optimal Pedestrian and Vehicle Delays

Table 2

Notations and parameters.

Notations	Meaning	Unit
	Index of intersection arms (approaches) or corners, as shown in Figure 1,	—
	The length of the crosswalk at arm	m
	The binary variable represents whether scheme 2 has been adopted,	—
	The binary variable represents whether scheme 3 has been adopted,	—
	The effective green time of pedestrian signals at the approach	s
	The green time corresponding to the phase of the phase sequence is shown in Table 1
	The cycle length	s
	The minimum and the maximum length of cycle time	s
	The minimum and the maximum length of showing the green time of vehicular signal under the phase	s
	All-red interval	s
	The duration of yellow light	s
	The probability of a right-turn vehicle yielding to pedestrians	—
	The pedestrian clearance time at the crosswalk of the arm	s
	The average speed of pedestrians crossing	m/s
	The average speed of right-turn vehicles through intersections	km/h
	The width of the right-turn lane at the arm	m
	The width of the crosswalk at the approach	m
	The vehicular signal delay at the approach	s
	The pedestrian signal delay from the corner to corner	s
	The vehicular conflict delay at the approach	s
	The pedestrian conflict delay from the corner to corner	s
	Average vehicle delay for all directions at intersections under the scheme	s
	Average pedestrian delay for all crosswalks at intersections under the scenario	s