CMF / CRF Details
CMF ID: 2427
Implement automated red light running enforcement cameras (RLR-related crashes)
Description: RLR enforcement cameras
Prior Condition: no RLR enforcement cameras
Category: Advanced technology and ITS
Study: Evaluating the Effectiveness of an Automated Red Light Running Enforcement Program in Iowa Using a Bayesian Analysis, Hallmark et al., 2010
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 35 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.6 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 40 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | |
| 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: | |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | All |
| If countermeasure is intersection-based | |
| Intersection Type: | |
| Intersection Geometry: | |
| 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: | 2001 to 2006 |
| Municipality: | Davenport |
| State: | IA |
| Country: | |
| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Sample Size (site-years): | 12 site-years before, 8 site-years after |
