CMF / CRF Details
CMF ID: 8089
Install red-light cameras
Description: RLR enforcement cameras
Prior Condition: Intersection without RLC
Category: Advanced technology and ITS
Study: Estimating safety performance trends over time for treatments at intersections in Florida, Wang et al., 2015
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 100 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 1.089 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.087 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | -8.9 (This value indicates an increase in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 8.7 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Not specified |
| 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: | |
| 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: | Signalized |
| Major Road Traffic Volume: | |
| Minor Road Traffic Volume: | |
| Average Major Road Volume : | |
| Average Minor Road Volume : | |
| Development Details | |
|---|---|
| Date Range of Data Used: | 2003 to 2013 |
| Municipality: | |
| State: | FL |
| Country: | |
| Type of Methodology Used: | Before/after using comparison group |
| Sample Size (sites): | 19 sites before, 19 sites after |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Nov 10, 2016 |
| Comments: | Total crashes months 19-36 after RLC installation |
