CMF / CRF Details
CMF ID: 5200
Convert 12-foot lanes to 10-foot lanes
Description: Convert 12-foot lanes to 10-foot lanes
Prior Condition: No Prior Condition(s)
Category: Roadway
Study: Accident Effects of Sideslope and Other Roadside Features on Two-Lane Roads, Zegeer et al., 1988
| Star Quality Rating: | Cannot Be Rated (HSM) |
| Rating Points Total: | |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 1.23 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | -23 (This value indicates an increase in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Applicability | |
|---|---|
| Crash Type: | Head on,Run off road,Sideswipe,Single vehicle |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Other |
| Street Type: | |
| Minimum Number of Lanes: | 3 |
| Maximum Number of Lanes: | |
| Number of Lanes Direction: | Both Directions |
| Number of Lanes Comment: | Multi Lane |
| Crash Weather: | Not specified |
| Road Division Type: | Undivided |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | Rural |
| Traffic Volume: | Minimum of 2000 Annual Average Daily Traffic (AADT) |
| Average Traffic Volume: | |
| Time of Day: | |
| 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: | |
| Municipality: | |
| State: | No state(s) chosen. |
| Country: | |
| Type of Methodology Used: | Not specified |
