Architecture Flow Definitions

rail crossing control data  (Future)  Applicable ITS Standards

Data required for HRI information transmitted at railroad grade crossings and within railroad operations.

rail crossing request  (Future)  Applicable ITS Standards

A request for highway–rail intersection status or a specific control request intended to modify HRI operation.

rail crossing status  (Future)  Applicable ITS Standards

Status of the highway–rail intersection equipment including both the current state or mode of operation and the current equipment condition.