Alabama Department of Economic and Community Affairs

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Arizona Highway magazine

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California Department of Transportation

California PATH: Partners for Advanced Transit and Highways

Colorado Department of Transportation

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D.C. Department of Public Works

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Georgia Office of Highway Safety

Georgia Tech TREC: Advanced Transportation Technologies and Research

Guam

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Indian Nations - Bureau of Indian Affairs

Indiana

Iowa Governor's Traffic Safety Bureau

Center for Transportation Research and Education (CTRE)

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Penn State Center For Intelligent Transportation Systems

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