CMF / CRF Details
CMF ID: 6047
Implement mobile speed cameras
Description: Implement mobile speed cameras
Prior Condition: Roadways without speed cameras
Category: Advanced technology and ITS
Study: Reducing Road Traffic Injuries: Effectiveness of Speed Cameras in an Urban Setting, Pérez et al., 2007
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 40 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.73 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.056 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 27 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 5.6 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Principal Arterial Other |
| Street Type: | |
| Minimum Number of Lanes: | 6 |
| Maximum Number of Lanes: | 6 |
| Number of Lanes Direction: | |
| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | Divided by Median |
| Minimum Speed Limit: | 80 |
| Maximum Speed Limit: | 80 |
| Speed Unit: | km/h |
| Speed Limit Comment: | |
| Area Type: | Urban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | All |
| 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 | |
|---|---|
| Date Range of Data Used: | 2001 to 2005 |
| Municipality: | Barcelona |
| State: | notusa |
| Country: | Spain |
| Type of Methodology Used: | Before/after using comparison group |
| Sample Size (crashes): | 1276 crashes before, 972 crashes after |
| Sample Size (miles): | 15 miles before, 15 miles after |
| Sample Size (miles): | 34 mile-years before, 30 mile-years after |
