• 1 Steenbock Library

• 3 Journals, Magazines, Newspapers

• 1 Accidents, Traffic
• 1 Highway engineering
• 1 Highway research
• 1 Roads
• 1 Traffic engineering
• 1 Transportation
• 1 prevention & control

• 1 National Cooperative Highway Research Program
• 1 National Research Council (U.S.). Highway Research Information Service

• 3 English

• 1 United States

• 2 Periodicals
• 1 Abstracts
• 1 Bibliography
• 1 abstracts

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