CMF / CRF Details
CMF ID: 4595
Convert paved shoulder to composite shoulder (maintain 3 ft width)
Description: Convert paved shoulder to composite shoulder (maintain 3 ft width)
Prior Condition: Paved shoulder (HSM notes that to determine the CMF for changing the shoulder type, divide the "new" condition CMF by the "existing" condition CMF.
Category: Shoulder treatments
Study: Highway Safety Manual, 1st Edition, Various, 2010
Star Quality Rating: | Cannot Be Rated (HSM) |
Rating Points Total: |
Crash Modification Factor (CMF) | |
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Value: | 1.02 |
Adjusted Standard Error: | |
Unadjusted Standard Error: |
Crash Reduction Factor (CRF) | |
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Value: | -2 (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: | Not specified |
Roadway Types: | Minor Arterial |
Street Type: | |
Minimum Number of Lanes: | 2 |
Maximum Number of Lanes: | 2 |
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: | Rural |
Traffic Volume: | |
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: |
Other Details | |
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Included in Highway Safety Manual? | |
Date Added to Clearinghouse: | Jan 01, 1970 |
Comments: | HSM 1st Ed, Table 13-9 |