3 1 10 proceedings of a conference by the Urban Mass Transportation administration and conducted by the Transportation Research Board CONFERENCE on light rail transit Additional Author mixed material Washihgton National Academy of Sciences 1978 planning, design and implementationpapers presented at the Conference on Light Rail Transit, March 28-30, 1982, San Diego, California CONFERENCE on light rail transit Additional Author mixed material Washington National Academy of Sciences 1982 system design for cost-effectivenesspapers presented at the Conference on light rail transit, May 8-10, 1985, Pittsburg, Pennsylvania CONFERENCE on light rail transit Additional Author mixed material Washington Transportation Research Board, National Research Council 1985