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The following resources summarize important historic breakthroughs in highway research:

• From the National Academy of Engineering, a timeline of breakthrough moments for highways [More]

 

• In 2000, Paul C. Light from the Brookings Institute prepared the report "Government's Greatest Achievements of the Past Half Century." Focusing on federal government achievements and considering criteria such as significance (visibility), precedent-setting, importance, difficulty, and success, the report include development of a national highway system, air traffic control system and mass transit systems. [More]

 

• The University of Michigan web site "Automobile in American Life and Society" describes automobile transport as an agent for change and as accelerating ongoing changes. [More]

 

• From the Journal of Urban History, "The Origins and Globalization of Traffic Control Signals," by Clay McShane (1999) describes the technological and social development of modern vehicular traffic systems and driving regulations.