%0 Book %E Rodegerdts, Lee %I Transportation Research Board %D 2007 %C Washington, D.C. %G English %B Report (National Cooperative Highway Research Program) %@ 9780309098748 %@ 0309098742 %@ 0077-5614 %T Roundabouts in the United States %U http://www.loc.gov/catdir/toc/fy0714/2007922062.html %U http://digitalarchive.oclc.org/request?id%3Doclcnum%3A123310205