CMF / CRF Details
CMF ID: 424
Install red-light cameras
Description: RLR enforcement cameras
Prior Condition: No Prior Condition(s)
Category: Advanced technology and ITS
Study: The Impact of Red Light Cameras on Safety in Arizona, Shin and Washington, 2007
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 80 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.67 |
| Adjusted Standard Error: | 0.08 |
| Unadjusted Standard Error: | 0.04 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 34 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | 8 |
| Unadjusted Standard Error: | 4 |
| Applicability | |
|---|---|
| Crash Type: | Angle |
| Crash Severity: | All |
| Roadway Types: | Not specified |
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| Number of Lanes Comment: | |
| Crash Weather: | Not specified |
| Road Division Type: | |
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| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | Urban |
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| 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 : | |
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| Development Details | |
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| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Other Details | |
|---|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Dec 01, 2009 |
| Comments: | Countermeasure name has been slightly modified for consistency across Clearinghouse |
