CMF / CRF Details

CMF ID: 2836

Implement home zone design in residential neighborhoods

Description: Home zones, or shared spaces, are streets designed to be shared by vehicles and pedestrians. Home zones may include: entrance treatments, shared vehicle and pedestrian space, traffic calming, on-street parking, streetscaping, social space, and interface between buildings and roads.

Prior Condition:  No Prior Condition(s)

Category: Access management

Study: Evaluating the English Home Zone Initiatives, Biddulph, 2010

Star Quality Rating:1 Star  [View score details]
Rating Points Total:25
Crash Modification Factor (CMF)
Adjusted Standard Error:
Unadjusted Standard Error:0.13
Crash Reduction Factor (CRF)
Value:29  (This value indicates a decrease in crashes)
Adjusted Standard Error:
Unadjusted Standard Error:12.6
Crash Type:All
Crash Severity:All
Roadway Types:Not Specified
Street Type:
Minimum Number of Lanes:
Maximum Number of Lanes:
Number of Lanes Direction:
Number of Lanes Comment:
Crash Weather:Not specified
Road Division Type:
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:
Traffic Volume:
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:1996 to 2009
Type of Methodology Used:Simple before/after
Sample Size (crashes):92 crashes before, 48 crashes after
Other Details
Included in Highway Safety Manual?No
Date Added to Clearinghouse:Mar 21, 2011