CMF / CRF Details
Closure or complete relocation of all driveways from functional area of intersection
Countermeasure ID: 444
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: | 1.17 | 
| Adjusted Standard Error: |  | 
| Unadjusted Standard Error: | 0.65 | 
| Crash Reduction Factor (CRF) | 
|---|
| Value: | -17  (This value indicates an increase in crashes) | 
| Adjusted Standard Error: |  | 
| Unadjusted Standard Error: | 65 | 
| Applicability | 
|---|
| 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: | Rural | 
| 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 | 
|---|
| Date Range of Data Used: |  | 
| Municipality: |  | 
| State: |  | 
| Country: |  | 
| Type of Methodology Used: | Non-regression cross-section | 
| Other Details | 
|---|
| Included in Highway Safety Manual? | No | 
| Date Added to Clearinghouse: | Dec 01, 2009 | 
| Comments: |  |