CMF / CRF Details
CMF ID: 3026
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 Trams on both directions of the mainline
Category: Intersection geometry
| Crash Modification Factor (CMF) |
|---|
| Value: | 0.3 |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 0.1659 |
| Crash Reduction Factor (CRF) |
|---|
| Value: | 70 (This value indicates a decrease in crashes) |
| Adjusted Standard Error: | |
| Unadjusted Standard Error: | 16.59 |
| Applicability |
|---|
| Crash Type: | Head on |
| 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 |
| Other Details |
|---|
| Included in Highway Safety Manual? | No |
| Date Added to Clearinghouse: | Jul 15, 2011 |
| Comments: | Since this study is from Australia, the opposing vehicle turn is not a left turn it is a right turn. See Table 5 for sample sizes and crash data. Crash rates were used. Traffic volume, speed limit, and lane configuration data are not given in this study. |
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