U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Definition: Length of auxiliary lane (noted in Element 35. AUXILIARY LANE PRESENCE/TYPE) if not full segment length. Length does not include taper.
Attributes: Feet
Priority: Critical
HPMS/Tool Requirements: HSM/IHSDM (Required)