Roundabouts in the United States

Sonraí bibleagrafaíochta
Údair chorparáideacha:	National Research Council (U.S.). Transportation Research Board, United States. Federal Highway Administration, American Association of State Highway and Transportation Officials
Rannpháirtithe:	Rodegerdts, Lee
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Washington, D.C. Transportation Research Board 2007.
Sraith:	Report (National Cooperative Highway Research Program) 572.
Ábhair:	Traffic circles > United States > Design and construction. Roads > United States > Interchanges and intersections > Design and construction.
Rochtain ar líne:	Table of contents only OCLC Digital Archive