AVL Systems for Bus Transit: Update (2008) / Chapter Skim
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Pages 64-68
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From page 64... ...
64 This section discusses the benefits and costs involved with the implementation of a bus AVL system. These are important in gaining approval to implement a system, but the actual benefits and operating costs experienced, relative to the situation before the system was implemented (i.e., as gathered through a system evaluation)
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From page 65... ...
65 • Covert alarm monitoring supports the ability of operators to quickly inform dispatch about an onboard emergency and for dispatch to immediately know the vehicle location to send assistance. • Single point for operator login to all onboard equipment reduces the potential for inaccurate login, maximizing the accuracy of schedule adherence, headsigns, and farebox data.
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From page 66... ...
– Depending on the assumptions regarding reduced wait times and reduced wait time uncertainty, the number of annual transit trips with Transit Tracker information by means of the Internet needed for positive net benefits could range from approximately 200,000 to 900,000. • For the COTA AVL system (Columbus, Ohio)
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From page 67... ...
67 Table 34 summarizes the systems integrator contract award portion of the capital costs for some recent bus AVL deployments, sorted in ascending order of the deployed fleet size. These data include 27 different recent contract awards in the United States and Canada, dating from 2001 to 2007, and involving purchases from most of the established major systems integrators for bus AVL systems.
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From page 68... ...
limited sample size and the numerous specific factors affecting procurement costs that are not captured because this model only varies with fleet size. As noted previously these additional factors include: • The competitive situation for the particular procurement, • The specific scope of the procurement (in particular, whether significant capital cost items such as radio system enhancements or a real-time passenger information system are included)
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