CMF / CRF Details
CMF ID: 3023
Configure an intersection with automobile and tram traffic for 'hook turns'
Description: Configure an intersection with a mixture of automobile and tram traffic such that vehicles wait in curbside lanes until the side road signal turns green prior to making an opposing vehicle turn.
Prior Condition: a signalized intersection in Australia with a mixture of tram and auto traffic
Category: Intersection geometry
Study: Improving Safety and Operations of Tram/Traffic Management at Intersections - The Hook Turn, Currie and Reynolds, 2011
| Star Quality Rating: |  [View score details] |
| Rating Points Total: | 10 |
| Crash Modification Factor (CMF) | |
|---|---|
| Value: | 4.98 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 5.2847 |
| Crash Reduction Factor (CRF) | |
|---|---|
| Value: | -398 (This value indicates an increase in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 528.47 |
| Applicability | |
|---|---|
| Crash Type: | Sideswipe |
| 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: | Undivided |
| Minimum Speed Limit: | |
| Maximum Speed Limit: | |
| Speed Unit: | |
| Speed Limit Comment: | |
| Area Type: | Urban |
| Traffic Volume: | |
| Average Traffic Volume: | |
| Time of Day: | All |
| If countermeasure is intersection-based | |
| Intersection Type: | Roadway/roadway (not interchange related) |
| Intersection Geometry: | 4-leg |
| 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: | 2006 to 2008 |
| Municipality: | Melbourne |
| State: | notusa |
| Country: | Australia |
| Type of Methodology Used: | Non-regression cross-section |
| Sample Size (crashes): | 9 crashes |
| Sample Size (crashes): | 1 crashes before, 8 crashes after |
