Under National Cooperative Transit Research and Development Project 60-1, Synthesis of Information Related to Transit Problems, a series of documented reports on current practices in areas of concern has been developed. Each is a compendium of best knowledge available on measures for resolving specific problems. The 13 topics which are subjects of NCTRP studies are listed. The American Public Transit Association is responsible for the NCTRP Technical Steering Group of industry and government representatives which identifies and prioritises the suggested problems. Factors considered in problem selection are: (1) Widespread interest; (2) Timeliness and critical nature with respect to economics, safety or social impact; (3) Lack of uniformity or consistency on the part of the operating agencies practices or validity of some practices appears questionable; (4) Quality and quantity of available data shows need to organize what has already been learned; (5) Topic should not be superseded by some research already known to be in progress. The administrative procedures for handling the topics is described. (Author/publisher)
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