AVL Systems for Bus Transit: Update (2008) / Chapter Skim
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Pages 69-71
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69 Bus automatic vehicle location (AVL) systems have been and continue to be an active area for transit agencies in North America and elsewhere, as well as for the systems integrators that serve this market.
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• Although many survey respondents described various technical challenges experienced in deploying AVL systems, the experience among respondents with recent deployments seems to suggest that AVL technology is becoming more "mature," at least as it relates to core functionalities; survey respondents appear to have experienced fewer technical challenges in recent years than had been the case in the early years of deployment. • Agencies reported deploying certain technologies significantly more often post-2003 compared with 2001 to 2003, which might be characterized as "recently established"; these technologies include paratransit scheduling and dispatch software integration, supervisor mobile access to AVL software, passenger information by means of interactive voice response, and cellular data service communications.
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From page 71... ...
71 • To gain approval to implement the AVL system, agencies commonly needed to estimate capital costs, operating costs, and both the quantitative and qualitative benefits. Types of benefits commonly reported as important in gaining system approval were reported as "improve operating efficiency," "improve reporting or analysis capability," "improve safety and security," and "improve public information." The biggest challenges in gaining approval were reported as obtaining funding, justifying the cost, and working through agency approval procedures.
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