Shortest-Way: An Improved Empirical Transition Method for Signal Coordination

Table 1

Time window definition illustrated.

Time window	Start point	End point	Active phases
			K1, K2, K3, K4, K5, K6, K7, and K8
			K2, K3, K4, K6, K7, and K8
			K3, K4, K7, and K8
			K4 and K8
			None

is the minimum green time of phase in the old plan (); is the split for phase in the old plan; and is the portion of the cycle length allocated to the major street phases in the old plan.