U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: The width of the median, including inside shoulders (i.e., measured from center of edgeline to center of edgeline on inside edges of opposing through lanes).
See Figures 1b–1c depending on number of lanes and direction of inventory.
HPMS/Tool Requirements: HPMS (Sample), HSM/IHSDM (Required), SafetyAnalyst (Optional)