Home › Authors › United States. Department of Transportation. Office of Systems Analysis and Information 👤 United States. Department of Transportation. Office of Systems Analysis and Information 3 books Books by United States. Department of Transportation. Office of Systems Analysis and Information An analysis of urban mass tran An analysis of urban mass transit subsidies 1973 Economic characteristics of th Economic characteristics of the urban public transportation industry 1972 Summary data for selected new Summary data for selected new urban transportation systems 1972