archive requests_ud
(Future)
A request to a data source for information on available data (i.e. "catalog") or a request that defines the data to be archived. The request can be a general subscription intended to initiate a continuous or regular data stream or a specific request intended to initiate a one-time response from the recipient.
archive status_ud
(Future)
Notification that data provided to an archive contains erroneous, missing, or suspicious data or verification that the data provided appears valid. If an error has been detected, the offending data and the nature of the potential problem are identified.
hri advisories
(Future)
Notification of Highway-Rail Intersection equipment failure, intersection blockage, or other condition requiring attention, and maintenance activities at or near highway rail intersections.
rail archive data_ud
(Future)
Rail operational archive data.
railroad advisories
(Future)
Real-time notification of railway-related incident or advisory.
railroad schedules
(Future)
Train schedules, maintenance schedules, and other information from the railroad that supports forecast of HRI closures.