CMF / CRF Details
CMF ID: 33
Barrier curb on the road edge
Description:
Prior Condition: No Prior Condition(s)
Category: Shoulder treatments
Study: Safety Effect of Barrier Curb on High Speed Suburban MultiLane Highways, Lienau, K., 1996
Star Quality Rating: | [View score details] |
Rating Points Total: | 10 |
Crash Modification Factor (CMF) | |
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Value: | 3.57 |
Adjusted Standard Error: | 26.48 |
Unadjusted Standard Error: | 8.83 |
Crash Reduction Factor (CRF) | |
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Value: | -257 (This value indicates an increase in crashes) |
Adjusted Standard Error: | 2648 |
Unadjusted Standard Error: | 883 |
Applicability | |
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Crash Type: | All |
Crash Severity: | All |
Roadway Types: | Principal Arterial Other |
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: | Suburban |
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: | |
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Country: | |
Type of Methodology Used: | Simple before/after |