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) |
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Value: | 0.3 |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 0.1659 |
Crash Reduction Factor (CRF) |
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Value: | 70 (This value indicates a decrease in crashes) |
Adjusted Standard Error: | |
Unadjusted Standard Error: | 16.59 |
Applicability |
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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 |
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Date Range of Data Used: | 2006 to 2008 |
Municipality: | Melbourne |
State: | notusa |
Country: | Australia |
Type of Methodology Used: | Non-regression cross-section |
Other Details |
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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. |