CMF / CRF Details
CMF ID: 11491
Install Inlaid Pavement Marker (IPM)
Description:
Prior Condition: No Prior Condition(s)
Category: Delineation
Study: Investigation of Inlaid Pavement Marker Performance and Safety Effectiveness, , 2023
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 140 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.72 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.03 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 28 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 3 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Interstate, Principal Arterial Other Freeways and Expressways, Principal Arterial Other |
| Street Type: | Two-Way |
| Minimum Number of Lanes: | 2 |
| Maximum Number of Lanes: | 4 |
| Number of Lanes Direction: | One Direction |
| Number of Lanes Comment: | |
| Crash Weather: | Wet road |
| Road Division Type: | All |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | All |
| Traffic Volume: | Minimum of 34306 to Maximum of 92283 Annual Average Daily Traffic (AADT) |
| Average Traffic Volume: | 57478 Annual Average Daily Traffic (AADT) |
| 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: | 2007 to 2019 |
| Municipality: | St. Louis |
| State: | MO |
| Country: | USA |
| Type of Methodology Used: | |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Dec 12, 2023 |
| Comments: | |
