interstate colorado interstate mile long highway northeastern denver aurora metropolitan area state colorado overlaps highway entire length western terminus interchange heads eastward interchange reset previous freeway extension freeway heads southeast comes meet enters road crosses quebec street ending ground broken segment freeway completed years later stretching boulevard road extended years later section completed completion section undergone construction renew bridges western end close junction traffic movements route description begins interchange concurrent speed limit section mph freeway heads southeastward mile crossing washington street state highway access provided road reset zero interchange original western end interstate interchange close western end interchanges movements interchange missing eastbound traffic access westbound eastbound traffic access westbound traffic access westbound eastbound completing missing movements interchanges work eliminating caused redundant interchanges interchange speed limit increases mph freeway heads southeast comes westbound exit eastbound entrance crosses commercial area enters city running roughly parallel nearby crossing exit continuing city route comes cloverleaf interchange carries freeway heads eastward denver exit short highway continues northward quebec street mile provides access traffic heading westbound route ends shortly merges freeway maintained responsible maintaining constructing transportation infrastructure colorado including highways role periodically conducts surveys highways measure traffic volume expressed terms average annual daily traffic aadt measure traffic volume average day year calculated vehicles daily east western terminus vehicles daily southeast york street entire route listed national_highway_system system roads important nation economy defense mobility history constructed phases beginning section boulevard following section freeway boulevard west finally section segment undergone construction including new bridges ramps interchanges construction construction began portion cost million opened connecting boulevard years later mile segment connected portion service construction began section april finished september costing million established construction took place route assigned new completion portion largely decreased traffic problems area improvements bridges westbound washington street replaced finished late 1990s costing million end bridges near interchange completed february connection westbound westbound completed access westbound westbound eastbound section including new bridges completed march totaled million years later ramp constructed connecting southbound eastbound access eastbound westbound exist future aims widen freeway lanes exit list
Interstate 270 (Colorado)