Author
Jeffery Jenq, Chris Cluett, Ben Pierce and Alan Pate, Battelle
BCD ALL year
Benefit Summary HTML

The Utah Transit Authority implemented a Connection Protection (CP) system to improve the reliability of transfers from the higher frequency light rail trains to the lower frequency bus services at selected connecting rail stations. The CP system examines the status of trains and issues a "hold at {station name} until {time}" message to buses waiting at the connecting rail stations via the bus' onboard Mobile Data Terminal, if the lateness of train is within a pre-determined time threshold. The system was completed and tested in January 2002 prior to the Winter Olympic Games in Salt Lake City. Operationally, the CP messages are triggered by the late train events. One late train could potentially trigger multiple CP messages to hold one or more buses at each of the next three down-line stations, based on the CP assignment.

An evaluation was conducted to assess the performance of the CP system and the response of passengers and system operators. The methodology used for the qualitative component consisted of surveys and interviews. A high percentage of passengers on selected bus trips at three of the TRAX train stations were surveyed. These surveys assessed rider experiences taking into account all of their transfer experiences so that the full range of potential connections, with or without CP could be evaluated.

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Lesson Background HTML

The Utah Transit Authority (UTA) implemented a Connection Protection (CP) system to improve the reliability of transfers from the higher frequency light rail trains to the lower frequency bus services at selected connecting rail stations. The CP system examines the status of trains and issues a "hold at {station name} until {time}" message to buses waiting at the connecting rail stations via the bus' onboard Mobile Data Terminal (MDT), if the lateness of train is within a pre-determined time threshold. The system was completed and tested in January 2002 prior to the Winter Olympic Games in Salt Lake City. Operationally, the CP messages are triggered by the late train events. One late train could potentially trigger multiple CP messages to hold one or more buses at each of the next three down-line stations, based on the CP assignment. An evaluation was conducted to assess the performance of the CP system and the response of passengers and system operators. This lesson is based on experience with the early operation of the CP system with the objective of identifying potential improvements and offering guidance to other transit agencies elsewhere that may be considering implementing a similar system.

Publication Sort Date
Publisher
ITS Joint Program Office, U.S. Department of Transportation
Source ID
292
Title
Evaluation of Utah Transit Authority's Connection Protection System
UNID
CBF70C147CE39803852570B50051382B
Source Review
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