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Union Catalog (Buklod) 20

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Traffic accidents Research 5 Traffic safety 5 Roads 4 Automobile drivers 3 Design and construction 3 Crash injuries 2 Express highways 2 Psychology 2 Safety measures 2 Automobiles 1 Geometric design 1 Highway capacity 1 Highway design 1 Lighting 1 Management 1 Railroad crossings 1 Seat belts 1 Teenage automobile drivers 1 Traffic accident investigation 1 Traffic engineering 1 Traffic violations 1 voir tous les ...

National Research Council (U.S.). Highway Research Board 15 National Research Council (U.S.). Committee on Highway Safety 5 National Research Council (U.S.). Highway Research Board. Meeting 5 Tharp, Kenneth John 2 American Association of State Highway Officials 1 Garrett, John W. 1 Hoyt, Dan W. 1 Kihlberg, Jaakko K. 1 National Research Council (U.S.). Committee on Operational Effects of Geometrics 1 National Research Council (U.S.). Highway Research Board. Commitee on Highway Safety Research 1 National Research Council (U.S.). Highway Research Board. Committee on Freeway Operations 1 National Research Council (U.S.). Highway Research Board. Committee on Highway Capacity 1 National Research Council (U.S.). Highway Research Board. Committee on Highway Safety Research 1 National Research Council (U.S.). Highway Research Board. Committee on Traffic Control Devices 1 National Research Council (U.S.). Highway Research Board. Dept. of Traffic and Operations. Committee on Operational Effects of Geometrics 1 Schoppert, David W. 1 United States. Bureau of Public Roads 1 voir tous les ...

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