Optimal Corridor Selection for a Road Space Management Strategy: Methodology and Tool

Table 2

Result of analysis of example network.

Case	Link/corridor level performance measures				System level performance measures
	Corridor	Corridor selection	Travel time (min)	Av. speed (mph)	Performance measure	Value [% change from base-case]
Base-case: no improvements	Loop 410 NW	No	18	44	TSTT (veh-min)	749,146
	Loop 410 SW	No	23	51
	I-37/US 281	No	6	52	TSCC ()	80,019,000
	Loop 410 NE	No	14	52
	Loop 410 SE	No	8	52	Improvement cost	0
Improving all the links	Loop 410 NW	Yes	14	55 [25%]	TSTT (veh-min)	625,476 +[17%]
	Loop 410 SW	Yes	19	62 [22%]
	I-37/US 281	Yes	5	57 [10%]	TSCC ()	81,856,150 –[2.3%]
	Loop 410 NE	Yes	12	59 [13%]
	Loop 410 SE	Yes	7	61 [17%]	Improvement cost	100,575
Suboptimal improvements	Loop 410 NW	No	18	44 [0%]	TSTT (veh-min)	744,275 +[0.6%]
	Loop 410 SW	No	23	52 [2%]
	I-37/US 281	Yes	5	57 [10%]	TSCC ()	81,428,031 –[1.8%]
	Loop 410 NE	No	14	52 [0%]
	Loop 410 SE	No	8	50 [−4%]	Improvement cost	6,000

+ sign next to the value means positive outcome relative to the base-case.
− sign means a negative outcome compared to the base-case.