CMF / CRF Details
CMF ID: 2240
Refinish pavement with microsurfacing treatment
Description: thickness from 8-10mm
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Safety Effect of Preventative Maintenance: Microsurfacing A Case Study, Erwin and Tighe, 2008
Star Quality Rating: | [View score details] |
Rating Points Total: | 50 |
Crash Modification Factor (CMF) | |
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Value: | 0.5 |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | 50 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Applicability | |
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Crash Type: | Rear end |
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: | Minimum of 3000/lane to Maximum of 6999/lane Annual Average Daily Traffic (AADT) |
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 | |
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Date Range of Data Used: | 1999 to 2005 |
Municipality: | Region of York, Canada |
State: | notusa |
Country: | |
Type of Methodology Used: | Simple before/after |
Sample Size (site-years): | 96 site-years before, 100 site-years after |