kilometre long freeway northern suburbs perth western australia linking central perth satellite city northern section state route continues south highway length interchanges major roads including southern terminus mitchell freeway narrows bridge crosses northern terminus burns beach road northern border suburb planning route began 1950s segment central perth constructed mitchell freeway progressively extended north 1970s extensions completed street end 1980s freeway reached railway line constructed freeway median early 1990s necessitated relocation section southbound construction new bridges conjunction works additional lanes constructed realigned section 1990s extensions mitchell freeway taken northern edge sections northbound widened additional lane announced extension constructed works planned freeway past rocks boundary route description mitchell freeway northern section state route northern end narrows bridge perth continuing terminates north satellite city intersections freeway grade separated interchanges speed limit kilometres hour mph central perth limit reduced kilometres hour mph freeway interchanges south hepburn avenue freeway lanes direction point north lanes direction expanding lanes drive avenue median strip freeway houses railway line line stations built strip additionally shared pedestrian bicycle path built alongside freeway perth section near perth city centre city perth local government area features partial access interchanges located north narrows bridge eastern edge kings park hybrid interchange connecting freeway distance metres complete access standard northbound exit ramp looped ramps movements partial incorporated direct access riverside drive southbound exit ramp northbound entrance ramp traffic movements riverside drive entrance ramp merges mounts bay road northbound entrance ramp southbound exit ramp similarly shared destinations car park main northbound exit access road begins mounts bay road exit ramp access road freeway outside lane shared riverside drive entrance ramp exit ramp short distance later accessed lanes allows traffic entering freeway ramp continue north exit hay street weaving freeway continues north westerly metres splitting half passing turns north easterly metres lines city blocks george elder streets pair way frontage roads freeway marks boundary perth partial access provided roads freeway crosses case hay street exception street north street freeway turns north west course kilometres section freeway marks boundary city vincent bypasses perth city centre tunnel provides access perth airport combined interchange partial charles street southbound entrance ramp merges northbound exit ramp ramps traffic light controlled intersection newcastle street northern end ramps start state route alternative route perth northern suburbs areas north located vicinity interchanges street northbound entrance ramp southbound exit ramp perth street near northwestern end graham farmer freeway ramps edge city point freeway boundary town cambridge northern suburbs perth northern suburbs perth interchanges standard diamond interchanges rest modified versions ramps missing replaced loop ramps interchange kilometres north west lake drive interchange looped southbound entry ramp join south intersection southbound ramps northbound exit ramp terminates street metres south vincent street lake drive freeway proceeds northwest kilometres alongside lake eastern edge half diamond interchange northbound exit ramp southbound entrance ramp freeway continues north reaches kilometres local roads junction intersections freeway ramps south street street west northbound exit ramp street southbound entry ramps freeway kilometre curve street moving alignment west suburbs interchanges street curve road end curve diamond interchanges slight modifications entrance exit ramps roads merge metres requiring traffic curved section boundary east freeway west interchange kilometres road half diamond interchange northbound exit southbound entrance ramps suburb east freeway kilometres north southbound entry ramp looped joins intersection southbound ramps provides limited access route perth airport north highway divides west east access major road beach road forms border city west freeway east road interchange kilometres north highway standard diamond interchange weaving required road short distance interchanges located north road east freeway following interchanges kilometres kilometres respectively hepburn avenue avenue hepburn avenue interchange located corners western australia avenue interchange located corner interchange provides access railway stations median respectively southbound entry ramps way north entrances north distance kilometres standard diamond interchanges avenue provide access centre east freeway west freeway suburbs metres freeway passes moore drive terminates burns beach road kilometres north freeway extended access areas north provided avenue west terminus east history mitchell freeway began highway proposed mid-1950s original plan took route known inland known road intersection edition shows controlled access highway current freeway alignment later plan detailed route point east proposed east west controlled access highway modern day hepburn avenue alignment detailed design stage freeway narrows bridge street northern edge city began took years completed design included complex interchange narrows bridge built reclaimed land soft mud ground improvement works included installations sand drains began demolition buildings freeway path commenced freeway completed sections separate contracts construction central section wellington street started november following groundbreaking ceremony conducted premier opened traffic years later connected temporary bailey bridge new road carried vehicles hour peak hours work section north known began october partially opened november completed october final project completed construction began installation thirteen house foundation columns placement difficult sinking vertically intended slid horizontally selective excavation blasting bedrock applying tension guy wires following foundation works construction proceeded swiftly work completed premier opened interchange november initial section functioned distributor traffic perth central business district adjacent areas north west whilst initially referred western switch road renamed western_australia state premier governor sir june stages built late 1970s 1980s early 1990s extension freeway nearly mile long taking freeway vincent street stage included long curving bridge span bridge connecting northbound traffic charles street construction stage began february resulted suburb split residential industrial buildings demolished streets cut sides freeway path extension opened traffic march having cost million opened state minister transport connor commemorative plaque located bridge leading charles street design stage freeway kilometre section extending completed existing soil suitable construction area generally consisted soft old ground consolidated cubic metres sand construction took place section opened minister transport june commemorative plaque unveiled street bridge stage cost million received year gap construction stage began freeway road half stage opened december project wasn complete september opened state minister transport julian section completed kilometres freeway perth stages constructed extending freeway hepburn avenue stage involved large quantity material including tonnes long tons short tons limestone stage cost million stage cost million stages opened august stage known built time opened extension opened july federal minister transport cost million state federal governments provided funds million million respectively contributed million million land developers wanted freeway built ahead schedule stimulate local development median strip entire freeway significantly widened accommodate railway line built project line located middle road reserve freeway time northbound southbound street positioned space future widening located eastern road reserve initially new road bridges constructed road road bridges completed works completed southbound carriage relocated creating required space railway line construction additional lanes constructed realigned section funded regular road funding sources whilst bridges associated works included costs project year hiatus kilometre extension drive opened premier december months ahead schedule project included widening section road hepburn avenue lanes direction latest extension kilometre stretch diamond interchange avenue moore drive local residents opposed aspects initial plans design section near primary school clearing native vegetation state government established later composed members local community input groups resulted changes design project managed conjunction construction extension initially planned began december july works completed new section predicted open september official opening november road opened western_australia simon brien previous minister planning infrastructure million project completed million budget opening celebrated procession vintage cars new freeway segment future works widening budget committed million widening mitchell freeway northbound hepburn avenue drive lanes traffic volumes preceding years increased rapidly reaching previously projected traffic volume vehicles day resulting congestion afternoon traffic peak increases chances rear end crashes driver frustration construction lane began february scheduled completed end year kilometre section hepburn avenue opened august project existing lanes resurfaced summer months design freeway required rail services median affected freeway expanded extra lane northbound perth conjunction works increase capacity graham farmer freeway tunnel works progressed stages project street road widened additional slip lane constructed street exit ramp northbound access vincent street changing lanes left lanes northbound project commenced february completed december extensions mitchell freeway planned continue north scheme boundary rocks state government announced march formation group worked investigate options relieving congestion focus freeway extension options considered group released strategic business case november report recommends staged approach starting intersection improvements followed freeway extension expressway standard extension romeo road half diamond interchanges suggested road avenue december announced freeway extended avenue distance kilometres extension include interchanges burns beach road road work extension began ground breaking ceremony expected completed projected cost million federal government contributing million state government funding remaining million project scope includes kilometre dual extension grade separated interchanges burns beach road road avenue roads area upgraded including widening avenue extending road east intersection drive interchange upgrades october state government announced freeway diamond interchange upgraded installation extra turning lanes traffic lights project interim solution lower congestion reduce volume traffic local roads avoid interchange longer term plan upgrade highway dual near freeway interchange including second bridge dual works scheduled construction interchanges entire freeway
Mitchell Freeway