Minimum of 6600 to Maximum of 64800 Average Daily Traffic (ADT)
Average Traffic Volume:
Time of Day:
All
If countermeasure is intersection-based
Intersection Type:
Intersection Geometry:
Traffic Control:
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 2011
Municipality:
Houston
State:
TX
Country:
USA
Type of Methodology Used:
Regression cross-section
Sample Size (crashes):
32 crashes
Sample Size (sites):
52 sites
Sample Size (site-years):
312 site-years
Other Details
Included in Highway Safety Manual?
No
Date Added to Clearinghouse:
Aug 12, 2014
Comments:
In the CMFunction, X is the percentage shorter than the Greenbook recommended length. Values spanned from -47% (i.e., 47% shorter than the Greenbook length) to 38% (i.e., 38% longer than the Greenbook length). Also, traffic volumes ranged from 1639 vpdpl to 10,805 vpdpl.
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