Developing a Low-Cost Safety Improvement Program for Intersections in an Urban Roadway Network: A Case Study

Table 3

Applied CMF analysis at an intersection.

Applied crash countermeasure	Total crashes	FI crashes	Total crash reduction	FI crash reduction	Total cost ($)	Total benefit ($)	BCR
Rumble strips	13.68	5.04	5.32	1.96	690	519,631	709.93
Roundabout (total)	12.35	4.55	6.65	2.45	1.5 million	649.5 k	0.40
Stop sign ahead	16.15	5.95	2.85	1.05	350	278.3 k	749.77
Flashing red stop signs (target)	16.53	6.09	2.47	0.91	6,800	241.2 k	33.44
Flashing overhead signal (target)	16.53	6.09	2.47	0.91	15,000	241.2 k	15.16
Double ctr. line and stop bars (cons.)	11.4	4.2	7.6	2.8	1,250	742.3 k	559.83
Double ctr. line and stop bars (avg.)	8.99	3.31	10.01	3.68	1,250	978 k	737.57