U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: The number of through lanes used in peak period in the peak direction. This includes reversible lanes, parking lanes, or shoulders that legally are used for through traffic whether for single-occupancy vehicle (SOV) or HOV operation.
Note: For inventory covering both directions, code total number of through lanes. For directional inventory, code total number of lanes for this inventory direction.
Priority: Value Added
HPMS/Tool Requirements: HPMS (Sample)