CMF / CRF Details

CMF ID: 5439

Install pedestrian countdown timer

Description: Install pedestrian countdown timer

Prior Condition: Signalized intersection, no countdown timer

Category: Intersection traffic control

Study: The impact of pedestrian countdown signals on pedestrian-motor vehicle collisions: a quasi-experimental study, A. Camden, R. Buliung, L. Rothman, C. Macarthur, and A. Howard, 2012

Star Quality Rating: 2 Stars   [View score details]
Crash Modification Factor (CMF)
Value: 0.967
Adjusted Standard Error:
Unadjusted Standard Error: 0.067
Crash Reduction Factor (CRF)
Value: 3.3   (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error: 6.7
Crash Type: Vehicle/pedestrian
Crash Severity: All
Roadway Types: All
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: Urban
Traffic Volume:
Average Traffic Volume:
Time of Day: All
If countermeasure is intersection-based
Intersection Type: Not specified
Intersection Geometry: Not specified
Traffic Control: Signalized
Major Road Traffic Volume:
Minor Road Traffic Volume:
Average Major Road Volume :
Average Minor Road Volume :
Development Details
Date Range of Data Used: 2000 to 2009
Municipality: Toronto
Country: Canada
Type of Methodology Used: Simple before/after
Sample Size (crashes): 1203 crashes before, 262 crashes after
Other Details
Included in Highway Safety Manual? No
Date Added to Clearinghouse: Jan-09-2014
Comments: This CMF only applies to crashes involving older people 60+ years old.