American Association of State Highway and Transportation Officials. Technical Committee for Roadside Safety. (2011). Roadside design guide (4th ed.). American Association of State Highway and Transportation Officials.
Chicago Style (17th ed.) CitationAmerican Association of State Highway and Transportation Officials. Technical Committee for Roadside Safety. Roadside Design Guide. 4th ed. Washington, D.C.: American Association of State Highway and Transportation Officials, 2011.
MLA (9th ed.) CitationAmerican Association of State Highway and Transportation Officials. Technical Committee for Roadside Safety. Roadside Design Guide. 4th ed. American Association of State Highway and Transportation Officials, 2011.
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