interstate maryland interstate abbreviated mile auxiliary interstate highway state maryland travels north city frederick consists mile mainline mile spur provides access southbound known makes easternmost stretch dwight memorial highway southern route passes suburban areas home firms portion lanes wide consists local express lane configuration high occupancy vehicle lanes operation peak travel times north area road continues northern passing lane highway lane northbound direction north continues rural areas city frederick lane freeway freeway built frederick carried route rerouted maryland route points creation years later road designated plans extend washington cancelled 1970s opposition residents freeway path concurrent designation removed increasing traffic levels led million widening road current configuration increased traffic improvements slated including construction new interchanges widening route frederick add high occupancy vehicles lanes high occupancy toll lanes route description heads northwest interchange suburban lane freeway left lane high occupancy vehicle lane lane northbound direction southbound direction southern terminus access eastbound direction road turns west comes interchange old georgetown road continues west lane freeway merges provides access southbound past interchange continues north lane freeway lane travel lanes direction route passes wooded suburban areas prior cloverleaf interchange road takes local express lane configuration outer lanes serving local lanes inner lanes lane serving express lanes past road continues north area turning northwest comes single point urban interchange falls road highway sees vehicles daily road continues modified cloverleaf interchange montgomery avenue past freeway passes numerous business parks wooded areas coming interchange past interchange leaves heads intersects road provides access park ride lot grove metro station connector heads east laurel past local lane configuration ends southbound direction lane travel lanes northbound direction lane express lanes local lanes continues past suburban development coming northbound exit southbound entrance west diamond avenue past interchange southbound restrictions end continues north travel lanes southbound direction lane express lanes local lanes northbound direction reaching orchard road past local lanes northbound direction ends head northwest lane freeway southbound lanes lane travel lanes northbound passes wooded areas leaving comes interchange freeway narrows lanes past interchange lanes direction including northbound lane continues area interchanges road short distance later passing business parks comes interchange ridge road father past heads rural areas woods farm fields paralleled set power lines road interchanges road northbound restriction ends past interchange continuing north lane freeway power lines stop paralleling route continues rural areas woods farms running closely parallel median widens trees middle weigh stations sides highway reaches interchange old road short distance past interchange crosses continuing northwest rural woodland farmland reaches area route interchange road highway briefly runs east past interchange continuing agricultural areas features scenic northbound direction road passes site eventually leaves battlefield area continues commercial outskirts frederick road interchanges pike near francis scott key mall continues commercial areas coming northern terminus interchange baltimore national pike past interchange freeway continues north frederick freeway interchanges short distance north northern terminus history plans construct freeway called parallel present day frederick freeway completed frederick year later freeway extended freeway extended south freeway completed north freeway extended south road designated freeway extended south completion freeway designated original alignment construction resulted suburban growth corridor washington frederick federal agencies including moving headquarters western spur provided access southbound eventually built projected continue past washington connect directly plans freeway initially began freeway called georgia avenue corridor mid-1960s study proposed freeway recommended different washington route planned line running northeastern washington north study ltd planned run southern terminus run concurrent route turning south ending washington routing freeway residential areas washington drew opposition residents neighborhoods successful getting freeway cancelled neighborhoods maryland cancelled opposition officials officially approved withdrawal plans construct road south concurrent designation removed designated western spur signed publicly known simply spur 1980s traffic congestion grown result million project widened road current configuration portions widened lanes widening led growth residences businesses corridor far north increased traffic counts road hub firms congestion road grew projected levels future studying improvements corridor frederick options improvement include widening highway include lanes hot lanes initiating rapid bus light rail service addition new interchanges planned planned interchange near border involve extending interchange projected cost planned interchange projected cost interchange proposed extension proposed interchange pushed million construction spending funding interchange disappeared september state maryland announced cutting billion transportation projects later reinstated proposed raise billion statewide years exit list referred mile spur connects carries traffic headed southbound southbound northbound northbound filling missing movements available interchange road heads north lane freeway mph speed limit left lane direction serves lane operation northbound direction southbound direction spur continues north wooded suburban areas interchange adjacent shopping mall short distance later road southbound exit northbound entrance lanes road past spur merges northbound separate ramps travel lanes lanes called road called word spur exit list entire route
Interstate 270 (Maryland)