U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
Definition: Number of at-grade intersections where traffic on the inventory route is not controlled by either a signal or a stop sign; or is controlled by other types of signing; or has no controls within the segment. A continuously operating, flashing yellow signal should be considered as "other or no control." Include at-grade intersections at entrances to shopping centers, industrial parks, and other large traffic generating enterprises.
Priority: Critical (only if no intersection file exists; can be derived if intersection file exists)
HPMS/Tool Requirements: HPMS (Sample)