CMF / CRF Details
CMF ID: 5497
Install raised pavement markers
Description:
Prior Condition: Without raised pavement markers
Category: Delineation
Study: Developing Louisiana Crash Reduction Factors, Sun and Das, 2013
Star Quality Rating: | [View score details] |
Rating Points Total: | 40 |
Crash Modification Factor (CMF) | |
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Value: | 0.86 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.12 |
Crash Reduction Factor (CRF) | |
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Value: | 14 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 12 |
Applicability | |
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Crash Type: | Nighttime |
Crash Severity: | All |
Roadway Types: | Principal Arterial Other Freeways and Expressways |
Street Type: | |
Minimum Number of Lanes: | |
Maximum Number of Lanes: | |
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: | Minimum of 60000 Annual Average Daily Traffic (AADT) |
Average Traffic Volume: | |
Time of Day: | Night |
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: | 2002 to 2010 |
Municipality: | |
State: | LA |
Country: | USA |
Type of Methodology Used: | Non-regression cross-section |
Sample Size (crashes): | 220 crashes |
Other Details | |
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Included in Highway Safety Manual? | No |
Date Added to Clearinghouse: | Apr 30, 2014 |
Comments: |