Federal role in traffic safety : report.

समान संसाधन

• Federal role in traffic safety. : Hearings ... United States Senate, Eighty-ninth Congress, first [second] session. Traffic safety: examination and review of efficiency, economy, and coordination of public and private agencies' activities and the role of the Federal Government.
  प्रकाशित: (1965)
• Roads and traffic safety /
  प्रकाशित: (1975)
• Traffic control and road accident prevention.
  द्वारा: Popkess, Athelstan
  प्रकाशित: (1951)
• Manual of traffic engineering studies.
  प्रकाशित: (1953)
• Traffic control and roadway elements : their relationship to highway safety /
  प्रकाशित: (1963)