CMF / CRF Details
CMF ID: 10281
Resurface pavement
Description:
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Evaluating Safety Effectiveness of Surface Treatment at Signalised Intersections: A Before and After Study, Hussein, N.A. and R.A. Hassan., 2018
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 145 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.847 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.056 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 15.3 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 5.6 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | K (fatal),A (serious injury) |
| Roadway Types: | All |
| 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: | Urban and suburban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | All |
| If countermeasure is intersection-based | |
| Intersection Type: | Roadway/roadway (not interchange related) |
| Intersection Geometry: | 3-leg,4-leg |
| Traffic Control: | Signalized |
| Major Road Traffic Volume: | Minimum of 1600 to Maximum of 27136 Annual Average Daily Traffic (AADT) |
| Minor Road Traffic Volume: | |
| Average Major Road Volume : | 12865 Annual Average Daily Traffic (AADT) |
| Average Minor Road Volume : | |
| Development Details | |
|---|---|
| Date Range of Data Used: | 2005 to 2010 |
| Municipality: | Melbourne |
| State: | notusa |
| Country: | Australia |
| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Sample Size (crashes): | 395 crashes before, 341 crashes after |
| Sample Size (sites): | 136 sites before, 136 sites after |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Dec 07, 2019 |
| Comments: | |
