CMF / CRF Details
CMF ID: 2716
Install two-way stop controlled intersections at uncontrolled intersections
Description: Installations on residential streets
Prior Condition: Uncontrolled neighborhood intersections
Category: Intersection traffic control
Study: A Full Bayes Approach to Before-After Safety Evaluation with Matched Comparison, El-Basyouny and Sayed, 2010
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 120 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 0.489 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.066 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | 51.1 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 6.6 |
| Applicability | |
|---|---|
| Crash Type: | All |
| Crash Severity: | All |
| Roadway Types: | Local |
| 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: | Undivided |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | Urban and suburban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | All |
| If countermeasure is intersection-based | |
| Intersection Type: | Roadway/roadway (not interchange related) |
| Intersection Geometry: | Not specified |
| Traffic Control: | Stop-controlled |
| 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: | notusa |
| Country: | Canada |
| Type of Methodology Used: | Before/after using empirical Bayes or full Bayes |
| Sample Size (sites): | 513 sites after |
