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Description / Abstract:
This standard defines the logical and physical interfaces, and
the performance attributes for the interface between the rail
subsystem and the highway subsystem at a highway rail
intersection.
Purpose
Coordination between the rail subsystem and the highway
subsystem is part of creating a national intelligent transportation
system (ITS) architecture covering multiple modes of
transportation. Existing standards address analog interfaces
between these subsystems at the highway rail intersection. This
standard will extend that information to include digital data
communication. Standardizing the interface will allow
interoperability between a wide variety of equipment and enhance
safety through a set of well-defined interface and performance
attributes.