CMF / CRF Details
CMF ID: 5203
Convert 12-foot lanes to 11-foot lanes
Description: Convert 12-foot lanes to 11-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) | |
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Value: | 1.04 |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | -4 (This value indicates an increase in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Applicability | |
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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 | |
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Date Range of Data Used: | |
Municipality: | |
State: | No state(s) chosen. |
Country: | |
Type of Methodology Used: | Not specified |