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over the procurement and operation of CASD software and hardware.

The study identified a number of important ways in which the procurement and implementation processes could be improved. Specific areas include the development of agency CASD needs and specifications for software, suggestions for improving the evaluation of vendor-proposed software products, time allotted for various phases of implementation, ensuring that the software passes acceptance testing before staff training takes place, and recommendations for making training more effective.

The study found a plethora of research relating to CASD. This report contains an extensive list of citations from a literature search. The pace of research has accelerated over the past 5 years. The TRB Committee on Paratransit and the APTA Access Committee have both actively sought technical papers for presentation at annual meetings. In some cases, state departments of transportation have funded

research efforts aimed at improving efficiency and coordination in the delivery of DRT services.

The research results cover several categories. Many of the studies pertain to topics involving DRT management planning, procurement, and implementation of software. Other research features the evaluation of computerized DRT systems, as well as associated technologies such as mobile data terminals and automatic vehicle location systems.

Finally, significant research pertains to highly technical simulation models and development of mathematical routing and scheduling algorithms. It is believed that a greater effort could be made among user agencies and software developers to incorporate some of this high-quality, advanced research in their CASD system designs and applications, to produce better results for CASD systems performance.

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