Field Barrier System Control
Field elements that control barrier systems such as gates and other systems that manage entry to roadways, transportation facilities and infrastructure.
||The field element shall activate barrier systems for transportation facilities and infrastructure under center control. Barrier systems include automated or remotely controlled gates, barriers and other systems that manage entry to roadways.
||The field element shall return barrier system operational status to the controlling center.
||The field element shall return barrier system fault data to the maintenance center for repair.
||The field element shall receive requests for access from approaching vehicles using field-vehicle communications and validate and authenticate the requests.
||The field element shall grant access only to qualified vehicles.
||The field element shall communicate access permission status and access instructions to approaching vehicles using field-vehicle communications.