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HRI Traffic Management Equipment Package

Description:

Remotely monitor and control highway-rail intersection (HRI) equipment, includes standard speed active warning systems and high speed systems which provide additional information on approaching trains and detect and report on obstructions in the HRI.

Included in:

City of Livingston Traffic Operations Center
City of Lufkin Traffic Operations Center
City of Nacogdoches Traffic Operations Center
Municipal or County Traffic Operations Center
TxDOT Lufkin District TMC

Functional Requirements:

1	The center shall remotely control highway-rail intersection (HRI) equipment located in the field.
2	The center shall accept collect highway-rail intersection (HRI) advisory or alert data from rail operations centers.
3	The center shall collect highway-rail intersection (HRI) equipment operational status and compare against the control information sent by the center.
4	The center shall provide the highway-rail intersection (HRI) equipment operational status to rail operations centers.
5	The center shall collect incident information related to a highway-rail intersection (HRI), such as intersection blockages or crashes or equipment malfunctions.
6	The center shall implement control plans to coordinate signalized intersections around highway-rail intersections (HRI), under control of center personnel, based on data from sensors and surveillance monitoring traffic conditions, incidents, equipment faults, pedestrian crossings, etc.

User Service Requirements (fully or partially addressed):

1.0	TRAVEL AND TRAFFIC MANAGEMENT
1.10	HIGHWAY RAIL INTERSECTION
1.10.2	HRI shall provide interfaces between highway and rail management functions.
1.10.2.1	HRI shall provide information management interfaces between highway and rail to coordinate traffic, demand and schedules.
1.10.2.1.2	HRI shall be capable of interacting with traffic management functions.
1.10.2.1.3	HRI shall provide closure data to traffic management for in-vehicle traveler advisory messages.
1.10.2.2	HRI shall provide the capability for interactive real-time interfaces.
1.10.2.2.1	HRI shall provide the capability to interface with rail operations functions for rail traffic control information.
1.10.2.2.4	HRI shall provide the capability to interface with highway vehicles approaching and crossing HRIs for traffic control information.
1.10.5	HRI shall provide a High Speed Rail (HSR) Subservice for HRIs on rail lines with operational speeds between 80 and 125 MPH.
1.10.5.2	HSR shall provide special safety features to enhance safety.
1.10.5.2.4	HSR shall provide HRI status to rail operations functions as either a "PROCEED" or a "STOP" indication.

The detailed process and user service requirement traceability information on this page was extracted from the National ITS Architecture. Consult the National ITS Architecture web site for more information.

Last updated on 05-25-2005 using Ronald C. Ice and Associates Web Spinner Technology.