CMF / CRF Details

CMF ID: 5213

Modify paved shoulder width on rural frontage roads

Description: The average paved shoulder width represents the sum of the left and right paved shoulder widths divided by two.

Prior Condition: No Prior Condition(s)

Category: Shoulder treatments

Study: Highway Safety Manual, 1st Edition, Various, 2010

 
Star Quality Rating: Cannot Be Rated (HSM)
Crash Modification Factor (CMF)
Value: Equation
Adjusted Standard Error:
Unadjusted Standard Error:
Crash Reduction Factor (CRF)
Value:
Adjusted Standard Error:
Unadjusted Standard Error:
Applicability
Crash Type: All
Crash Severity: All
Roadway Types: Minor Collector
Number of Lanes:
Road Division Type:
Speed Limit:
Area Type: Rural
Traffic Volume: Minimum of 100 to Maximum of 6200 Annual Average Daily Traffic (AADT)
Average Traffic Volume:
Time of Day:
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:
Municipality:
State:
Country:
Type of Methodology Used: Not specified
Other Details
Included in Highway Safety Manual? Yes
Date Added to Clearinghouse:
Comments: Both one-way and two-way frontage roads were considered in the development of the CMF. Development of this CMF was limited to shoulder widths ranging from 0 to 9 ft.