interstate maryland interstate runs cove fort utah baltimore maryland maryland runs miles pennsylvania state line east interstate eastern terminus near junction park ride baltimore primary east west interstate maryland connects baltimore washington interstate serves frederick directly provides access cumberland junction runs concurrently predecessor highway route frederick west friendship route frederick west friendship constructed divided highway relocation early mid-1950s freeway bypass frederick late 1950s section interstate marked upgrade near early 1960s remainder maryland west frederick built new alignment mid- late 1960s constructed present terminus baltimore late 1960s highway west friendship upgraded interstate standards mid-1970s final non limited access portion frederick eliminated mid-1980s interstate upgraded frederick series projects began late 1990s intended enter baltimore east west freeway proposed 1940s planned passing pair parks neighborhoods end interchange downtown baltimore subsequent proposal based review plan moved new alignment triggered community opposition resulted new design process late 1960s new plan introduced moved eastern terminus southwest baltimore community opposition interstate planned route city parks resulted removed city plans early 1980s route description official designations course maryland designated memorial highway pennsylvania state line east frederick highway received designation act congress commemorating route convoy washington san_francisco president participated ordeal served inspirations designated korean war veterans memorial highway large stone markers featuring erected median concurrency frederick east known interstate unnamed near eastern terminus baltimore like mainline national_highway_system entire length enters maryland concurrent pennsylvania north town south state line lane freeway interchange head west cumberland national freeway begins run concurrently leaves interchange curves east heads south providing access downtown crossing west_virginia heads east gains lane direction climb ridge separates interchanges valley lane eastbound ends ridge lane westbound begins west interstate partial interchange main street lacks ramp westbound east parallels rail trail heading east narrow corridor river north south ridges corridor freeway pair partial interchanges road west indian springs valley opens leaves interstate partial interchange west continues parallel canal rail trail distance diamond interchange big pool road big pool freeway curves away passes south stone south clear spring crosses diamond interchange clear spring road signs westbound prior interchange remind motorists remain access continues east highway crosses reaching diamond interchange south interstate approaches crosses branch csx ahead cloverleaf interchange maryland veterans memorial highway heads southeast interchange collector distributor lanes directions separate individual ramps main roadways freeway traverses virginia avenue winchester western railroad curves east interstate partial cloverleaf interchanges pike crossing rail line crosses alternate pike south mount meets national pike cloverleaf interchange highways leave suburban area surrounding interstate curves southeast diamond interchange near crosses beaver creek gains eastbound climbing lane highway passes mountain interstate passes enters pair rest areas east mountain direction westbound rest area police october eastbound climbing lane disappears interstate westbound climbing lane mountain southeast diamond interchange south freeway enters valley interstate crosses little gains eastbound climbing lane climbs freeway passes concrete arch bridge carrying ridge road climbing lane highway descends partial interchanges national pike alternate old national pike interchange pair ramps eastbound eastbound westbound westbound second interchange half diamond interchange exit ramp westbound alternate entrance ramp eastbound entering speed limit drops mph interstate passes partial interchange freeway carries eastbound ramps eastbound westbound westbound ramp westbound receives ramp crosses state highway reaching directional interchange heads south washington memorial highway taking exits north joins concurrency heads east lane freeway meets pike single point urban interchange south downtown frederick access interstate reduces lanes crosses csx east frederick ramp partial cloverleaf interchange partial diamond interchange patrick street heads east frederick area lane freeway speed limit mph interstate crosses long spring branch ahead partial interchange old national pike includes ramps westbound westbound eastbound eastbound county maintained old national pike parallels north diamond interchange east new market freeway paralleled highways rail line follow valley west southeast partial cloverleaf interchange ridge road ridge frederick county line mount baltimore closely paralleled eastbound freeway briefly passes interstate enters traverses near leaves vicinity meets road diamond interchange lisbon diamond interchange near east diamond interchange road split partial interchange heads east lane freeway baltimore heads east lane serve east split interstate partial interchange road allows westbound access north cloverleaf interchange columbia pike south highway northern terminus old heads south interchange includes ramp westbound southbound interstate continues east lane freeway highway crosses enters freeway approaches suburb speed limit decreases mph westbound direction mileage sign approximate values columbus denver small town cove fort utah opposite end sign intended test installed sign eastbound correctly informs motorists ends level stack interchange baltimore west interchange freeway average annual daily traffic value vehicles east interchange formally continued lane highway local traffic averaged vehicles day interstate speed limit reduces mph mph passes final interchange partial cloverleaf junction continues southeast baltimore east interchange entered city baltimore freeway median expands park ride facility accessed interstate eastern terminus turn adjacent traffic wished access turn terminus exit westbound loop ramp westbound access single entrance ramp avenue considered interchange short section city baltimore maintained instead mile extension ride facility formally dropped interstate system spring meeting history planned follow corridor east frederick designation split continue following east baltimore follow southeast washington designations eliminated eastward extension designated section maryland constructed lane divided highway relocation reconstruction pine orchard community west west east end patrick street frederick constructed pine orchard west friendship way ramp connection highways constructed connecting ramp constructed included portion constructed west friendship west section built west section relocated west section miles west broke ground completed interchange constructed remainder constructed sections simultaneously starting sections miles west line highway crossing main line site called plane new market road fourth section constructed closely parallel existing alignment road east sections opened divided highway surface following year completed asphalt surface final section east east end patrick street near modern exit expanded divided highway exception crossing engineering work second bridge began new bridge complement existing bridge constructed replace historic bridge opened completing western end planned tie patrick street eastern end frederick freeway serve freeway bypass downtown frederick interchanges patrick street construction east west portion frederick freeway began completed old downtown frederick later freeway original interchanges included partial interchange patrick street east frederick present interchange folded diamond interchanges partial interchange frederick freeway curved north cloverleaf interchanges western end patrick street north south portion frederick freeway completed frederick freeway marked exit numbers portion started exit east frederick went exit interstate construction upgrades section future upgraded east reconstructed divided highway eastern end parallel community southern terminus piece highway completed section highway maryland marked construction began western end existing highway pennsylvania state line project happened concurrently construction west west projects completed construction frederick fully underway eastward direction interstate opened east frederick freeway interchange frederick freeway reconstructed add freeway interchange removed exit numbers added frederick constructed new alignment east baltimore interstate opened concurrent northward extension opened west friendship west baltimore city line upgraded interstate standards west friendship diamond interchanges constructed replace grade intersections interchange relocated east existing interchanges converted way connector ramps diamond interchanges interchange expanded ramp partial cloverleaf ramp partial cloverleaf exit numbers added east frederick exit numbers present numbers marked relocated away original alignment junctions frederick old highway eastern extension outside reconstruction beginning 1990s interchanges revised added near direct ramp added eastbound southbound interchange ramps including loop ramps eastbound interchange opened reconstruction frederick completed examined miles segment frederick east western end project underway relocate study proposed series projects upgrade frederick constructed frederick freeway late 1950s interstate standards lane freeway plagued closely spaced interchanges acceleration lanes curve interchanges missing important movements highways instance travellers aiming southbound westbound needed use frederick heavily golden mile join exit project involved interchange constructed ramps westbound southbound northbound eastbound project completed ramps added eastbound directions long ramp added started northbound eastbound interchange provide access westbound loop ramp eastbound interchanges second project filled pair missing connections interchange updated ramps added westbound southbound northbound eastbound addition received new bridge second project completed traffic east south longer needed use connections project replacement interchange ramp partial cloverleaf interchange constructed westbound ramps closed replaced temporary ramps stadium drive connected freeway state highway related project intersection reconstructed extended temporary terminus east pair ramps eastbound existing ramps closed project extended south downtown frederick single point urban interchange completed new interchange opened temporary ramps westbound stadium drive removed fourth project upgrade frederick upgrade interchanges built began autumn ramps leads reconstructed westbound ramps serving removed missing movements eastern end frederick provided reconstruction westbound ramps ramp westbound added ramp exit ramp westbound meet roundabout interchanges reconstructed expanded lanes east fifth final project upgrade frederick expand lanes future projects projects planned studies lead projects interstate future reconstruct widen bridges starting summer upgrade freeway state highway junction reconstructed diamond interchange partial cloverleaf design allow free flowing traffic directions study underway concerning improvements portion split lanes study look widening interstate lanes possible improvements road respective interchanges finally study upgrade partial interchange ramps westbound westbound eastbound eastbound interstate baltimore early freeway plans baltimore plans baltimore city freeway system baltimore city planners influential plans portrayed heavily influenced future proposals including proposal included known plans gained traction decision makers freeways needed opposition east west freeway passing straight central business district immediately north central business district instance proposal east west freeway following street northern downtown baltimore late 1950s baltimore starting suffer flight commercial industrial concerns residents suburbs response easy access provided developing baltimore response new sense urgency head baltimore report titled study east west expressway proposed pass pass neighborhood head east franklin street street east west expressway turn south near pine street turn east follow elevated highway south street central business district east end approximately modern intersection president street eastern avenue reach terminus way interchange cross foot high bridge immediately southwest interchange systems outreach civic groups meant little opposition proposed route east west expressway obstacle freeway receive federal funding review independent group consulting firms came expressway reviewed plan major changes consulting civic groups engaged result released system plan faced widespread opposition system follow roughly route plan east avenue freeway follow avenue south junction hamburg street route east west expressway system require condemning greater number properties compared plan passing residential neighborhoods south central business district civic groups compromised opposed position route despite major opposition initiation federal funding allowed city start acquiring property franklin corridor clear way construction stretch freeway built street boulevard year city baltimore decided resolve system forming consulting group work experts come new freeway system proposal baltimore city adopted group proposal system pass follow south interchange modern alignment east avenue freeway later designated constructed franklin corridor connect west central business district civic groups opposed passing groups litigation political indefinitely delay construction park city cancelled portion current eastern terminus parks interstate interchange portion proposed freeway south remained plans new designation shaped freeway cancelled escalating costs saving funds original freeway pressing needs like maintenance city streets rapid transit later unsigned designation upgrade abandonment extension city converted interstate end east security boulevard park ride facility opened september route description system constructed planned system continued east present terminus west baltimore city limits near security boulevard interstate curve northeast traverse dead run road pass short tunnel underneath hill curve east freeway cross road south stream confluence interstate parallel southeast interchange parkway lane divided highway connects portions street valley directional interchange provide access directions northbound parkway southbound parkway continue south paralleling parkway east freeway continued southeast csx interstate met western end directional interchange baltimore street amtrak northeast corridor cross headed northeast closely paralleling amtrak northeast corridor east station join constructed portion continued southeast partial interchange frederick avenue allowed access direction interstate passed avenue reaching terminus junction directional interchange constructed rail yard mount branch csx completed avenue russell street february highway paralleled extended ramps east avenue interchange allowed connections avenue alternate segregated avenue traffic partial interchange washington boulevard east exit list auxiliary routes auxiliary interstate highways maryland interstate mile auxiliary interstate highway state maryland travels north city frederick consists mile mainline mile spur provides access southbound known 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 interstate mile interstate highway spur route western end connector interchange provides access park ride lot station despite number connect road continues west surface road way interchanges freeway completed late 1980s connect grove metro station larger connector segment built time east road opened february resulting interchange road leading grove metro station
Interstate 70 in Maryland