U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: The sideslope (foreslope or backslope) on right side of roadway immediately adjacent to the travel lane, shoulder edge or drainage ditch in direction of inventory. If sideslope varies within the section, code predominant sideslope.
Priority: Critical Preferred
HPMS/Tool Requirements: HSM/IHSDM (Required)