TY - BOOK ID - 135822597 TI - 2012 urban congestion trends : operations : the key to reliable travel. PY - 2013 PB - [Washington, D.C.] : U.S. Department of Transportation, Federal Highway Administration, DB - UniCat KW - Traffic congestion KW - Management UR - https://www.unicat.be/uniCat?func=search&query=sysid:135822597 AB - ER -