CMF / CRF Details

CMF ID: 2697

Install high-visibility yellow, continental type crosswalks at schools

Description:

Prior Condition: standard, yellow school crosswalks

Category: Pedestrians

Study: An Empirical Bayesian Evaluation of the Safety Effects of High-Visibility School (Yellow) Crosswalks in San Francisco, Feldman et al., 2010

 
Star Quality Rating: 3 Stars   [View score details]
Crash Modification Factor (CMF)
Value: 0.63
Adjusted Standard Error:
Unadjusted Standard Error: 0.12
Crash Reduction Factor (CRF)
Value: 37   (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error: 12
Applicability
Crash Type: Vehicle/pedestrian
Crash Severity: All
Roadway Types: Not Specified
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: Urban
Traffic Volume: Minimum of 567 to Maximum of 43199 Average Daily Traffic (ADT)
Average Traffic Volume:
Time of Day: All
If countermeasure is intersection-based
Intersection Type:
Intersection Geometry:
Traffic Control:
Major Road Traffic Volume:
Minor Road Traffic Volume:
Average Major Road Volume :
Average Minor Road Volume :
Development Details
Date Range of Data Used: 1994 to 2006
Municipality: San Francisco
State: CA
Country:
Type of Methodology Used: Before/after using empirical Bayes or full Bayes
Other Details
Included in Highway Safety Manual? No
Date Added to Clearinghouse: Aug-11-2010
Comments: