CMF / CRF Details
Closure or complete relocation of all driveways from functional area of intersection
Countermeasure ID: 443
Description:
Prior Condition: No Prior Condition(s)
Category: Access management
Study: Analysis of Traffic Accidents within the Functional Area of Intersections and Driveways, Lall et al., 1995
| Crash Modification Factor (CMF) |
|---|
| Value: | 1.67 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 1.01 |
| Crash Reduction Factor (CRF) |
|---|
| Value: | -67 (This value indicates an increase in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 101 |
| Applicability |
|---|
| Crash Type: | All |
| Crash Severity: | A (serious injury),B (minor injury),C (possible injury) |
| 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: | Urban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | |
| If countermeasure is intersection-based |
| Intersection Type: | Roadway/roadway (not interchange related) |
| Intersection Geometry: | Not specified |
| Traffic Control: | Not specified |
| 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: | |
| Country: | |
| Type of Methodology Used: | Non-regression cross-section |
| Other Details |
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| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Dec 01, 2009 |
| Comments: | |
