U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: Width of left (outside) shoulder, including both paved and unpaved parts measured from the center of the edgeline outward. See definition of Element 47. Left Shoulder Type above. Do not include parking or bicycle lanes in the shoulder width measurement; code the predominant width where it changes back and forth along the roadway section; ensure that the total width of combination shoulders is reported. Include gutter pans on outside of shoulder in shoulder width.
See Figures 1a–1c depending on number of lanes and direction of inventory.
HPMS/Tool Requirements: HPMS (Sample), HSM/IHSDM (Required), SafetyAnalyst (Optional)