CMF / CRF Details
CMF ID: 8773
Install high friction surface treatment (HFST)
Description:
Prior Condition: Roadways without high friction surface treatment
Category: Roadway
Study: Safety Impact of High Friction Surface Treatment Installations in Pennsylvania, Musey et al., 2017
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 30 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 100 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | Not specified |
| Roadway Types: | All |
| Street Type: | |
| Minimum Number of Lanes: | 2 |
| Maximum Number of Lanes: | 6 |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | All |
| Minimum Speed Limit: | 15 |
| Maximum Speed Limit: | 55 |
| Speed Unit: | mph |
| Speed Limit Comment: | |
| Area Type: | All |
| 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: | 2003 to 2016 |
| Municipality: | |
| State: | PA |
| Country: | USA |
| Type of Methodology Used: | Simple before/after |
| Sample Size (crashes): | 9 crashes before, 0 crashes after |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Nov 17, 2017 |
| Comments: | CMF of unknown injury crashes on horizontal curve with an angle from 150-180 degree |
