Mobile Data Terminals (2007) / Chapter Skim
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Pages 16-24
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From page 16... ...
At the outset, the MDT case studies were expected to come from the experiences of the synthesis topic panel, the consultant, or professional presentations. During the conduct of the survey, it soon became apparent that a significant number of respondents were going to considerable effort to respond to the broad topical areas that were posed by the MDT synthesis topic panel.
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MySQL 5% Microsoft SQL Server 2005 5% Informix 5% MS SQL Server 7 19% Oracle 24% Microsoft SQL Server 2000 42% 17 Transit Agency City State King County Department of Transportation -- Metro Transit Division Seattle WA Spokane Transit Authority Spokane WA Tri-County Metropolitan Transportation District Portland OR Kitsap Transit Bremerton WA Clark County Public Transportation Benefit Area Vancouver WA Potomac and Rappahannock Transportation Commission Woodbridge VA Delaware Transit Corporation Dover DE Research Triangle Regional Public Transportation Authority Research Triangle Park NC Metro Regional Transit Authority Akron OH Central Ohio Transit Authority Columbus OH Metro Transit Minneapolis MN Pace -- Suburban Bus Division Arlington Heights IL City of Tyler Tyler TX St. Joseph Transit St.
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The survey asked "What was the unit cost of installation of the MDT for your most recent deployment? " In two cases, the installation cost was included in the unit cost.
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19 and reporting of data collected by the MDTs? " If the answer was "yes," the respondent was asked to estimate the annual costs and annual labor hours incurred by the transit agency for this activity.
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Report A2-K1, "Operational/Technical Problems Encountered." These problems can be related to the manufacturer and size of MDT deployment by consulting Report A2-C2, "Manufacturer and Model" also in Appendix A2. The respondents reporting problems encountered in their MDT deployment were prompted to identify solutions to those problems.
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21 communications security and resilience can be found in Appendix A2, Report A2-L1, "Security and Resilience of Communications." CASE STUDY HIGHLIGHTS FROM LONG FORM SURVEY Nearly two dozen transit agencies responded to the long form survey and devoted considerable effort to sharing their experiences in deploying MDTs with the industry. At the conclusion of this synthesis, the survey results will be shared in a web-based database that can be queried by numerous variables that will provide comparable transit properties with these experiences.
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retrofit took twice the factory labor-hours (8 h)
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23 GPS refresh rate of 2–5 min from transit and paratransit vehicles. DTC can communicate canned text messages for the dispatch to the vehicle, from vehicle to dispatch, and from vehicle to vehicle in the DTC fleet.
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performance measures: passengers carried, revenue received, passenger-miles, revenue-miles, passengers per vehicle-mile, passengers per revenue-mile, passengers per vehicle-hour, and passengers per revenuemile. TMT integrates data files through its relational database on a central server [e.g., data integrated through linking key fields Vehicle IDentification (VID)
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