A (serious injury),B (minor injury),C (possible injury)
Roadway Types:
Not Specified
Street Type:
Minimum Number of Lanes:
2
Maximum Number of Lanes:
2
Number of Lanes Direction:
Number of Lanes Comment:
Crash Weather:
Not specified
Road Division Type:
Minimum Speed Limit:
Maximum Speed Limit:
Speed Unit:
Speed Limit Comment:
Area Type:
Rural
Traffic Volume:
Average Traffic Volume:
Time of Day:
If countermeasure is intersection-based
Intersection Type:
Roadway/roadway (not interchange related)
Intersection Geometry:
3-leg
Traffic Control:
Not Specified
Major Road Traffic Volume:
Minimum of 5000 to Maximum of 15000 Average Daily Traffic (ADT)
Minor Road Traffic Volume:
Average Major Road Volume :
Average Minor Road Volume :
Development Details
Date Range of Data Used:
Municipality:
State:
Country:
Type of Methodology Used:
Meta-analysis
Other Details
Included in Highway Safety Manual?
Yes. HSM lists this CMF in italics font to indicate that it has a lower reliability than bold font CMFs since it has an adjusted standard error of 0.2 to 0.3.
Date Added to Clearinghouse:
Dec 01, 2009
Comments:
Countermeasure name changed from "physical channelization of left-turn lane on major road" to match HSM.
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