01047nam a2200229Ia 4500 CTU_222265 210402s9999 xx 000 0 und d 380 P385 Pell, Claiborne Megalopolis unbound : The supercity and the transportation of tomorrow Senator Claiborne Pell New York Praeger 1966 Sen. Pell was an early advocate of improved rail transport along the Northeast Corridor. In this volume he argues not only for revitalizing the existing passenger service and untangling choked highways and airways but also for exploring new technologies such as high-speed underground railroads powered by compressed air in pneumatic vacuum tubes. With black and white photo section. 233 pages with index. Traffic engineering,Kỹ thuật giao thông United States,Hoa Kỳ Kim Tuyến Qhieu Trung tâm Học liệu Trường Đại học Cần Thơ