highway highway kilometre long north south highway linking perth airport city north eastern south eastern suburbs northern terminus highway southern terminus thomas road forms entire length state route connects major roads including highway albany highway planning route began 1950s segment opened years highway extended north south albany highway section constructed north bridge linked sections years later northern terminus major works highway extended highway south gateway project plans improve road network perth airport including upgrading central section highway lane freeway standard road construction began completion scheduled extensions northern southern highway planned connect highway proposed near south route description highway forms entire length state route maintained subject control access entire length sections highway freeway standard grade separated interchanges junctions highway grade traffic light controlled highway dual primarily lanes wide near junctions width briefly increases lanes speed limit kilometres hour mph near intersections mph stretches shared pedestrian bicycle path built alongside highway road great eastern highway south sections highway sealed shoulders function bicycle lanes monitors traffic volume state road network including locations highway section near perth airport south busiest averaging vehicles weekday north traffic volume gradually decreased vehicles weekday near northern terminus measurements showed lowest volume vehicles weekday near southern terminus north intersections perth airport carry traffic volumes capacity peak periods average peak period traffic speeds highway measured mph slowest section highway recorded average mph afternoon peak period traffic volume exceeding vehicles day forecast double traffic modelling shown leaving current network traffic light controlled intersections place result upgraded road network gateway project completed expected average speed peak periods mph north begins traffic light controlled junction southern edge eastern edge western edge city swan local government area southern leg junction forms northern eastern legs highway heads south forming border residential suburbs sporting reserve located immediately west highway accessed northbound exit ramp metres south junction metres highway enters east highway boundary boundary suburbs highway travels south metres traffic lights road south eastern corner metres south intersection leaving highway entirely continues south residential area kilometres reaches set traffic lights drive east continues southwards narrow curve highway east curve metres south drive highway passes avenue access roads point highway enters north eastern corner travels metres enters border follows road highway continues residential housing north east industrial area south west metres curve ends highway travelling industrial commercial properties set traffic lights metres south road major road highway meets kilometres south connected grade separated interchange folded diamond interchange ramps located south road north midland railway line parallel road highway passes highway turns south easterly perpendicular travels residential kilometres crosses river metre long takes highway perth airport grade separated interchange located metres south east bridge diamond interchange additional north eastbound south eastbound loop ramp additionally intersection south eastbound exit ramp connects main access roads perth airport domestic terminal interchange lanes freeway standard residential areas metres takes highway edge suburb perth airport border south west perth airport north east metres later highway approaches interchange drive interchange drive replaced avenue entrance main access road highway domestic terminal kilometres highway turns south travelling direction kilometres reaching curving south east meeting highway airport drive known grand gateway interchange primary access perth airport international terminal replacing modified level interchange loop ramps airport drive west highway north highway east highway south movements available roads free flowing north highway west controlled traffic lights subsequent highway road interchange entering highway danger posed weaving interchange metres high height limited airport runway north possible high water table vicinity located borders suburbs west south perth airport north east highway highway continues past industrial properties kilometres reaching interchange road south west north east single point urban interchange initial intersection original primary access road perth airport international kilometres highway reaches connections north westbound looped exit ramp merges local road north south eastbound entrance ramp built intersection highway enters location border suburbs south east north east continues border metres reaches marks border south western highway initially built diamond interchange favouring highway gateway project modified connection hybrid diamond stack interchange southbound movements free flowing left turns highway travels south easterly direction residential areas reaching road kilometres kilometres highway curves south point intersects road east entirely suburb intersection continues south east border semi rural areas west east border highway follows kilometres reaches suburbs located west highway east highway point entirely city metres highway crosses continues south east kilometres briefly passes industrial curving slightly urban development reach intersections road east subsequently road west pair junctions metres apart traffic light controlled follows gentle reverse curve southwards martin kilometres semi rural environment reaching set traffic lights west crosses kilometres south entering curves south west albany highway metres away meets albany highway folded diamond interchange highway splits local express lanes approach interchange continues configuration metres point interchange highway marking boundary suburbs city continues south westbound passing south east undeveloped land north west kilometres junction champion drive highway continues southwest kilometres reaches set traffic lights road entirely suburb turns south kilometre long curve meets set traffic lights highway continues south rural land west east passes kilometres connecting eastern leg junction kilometres reaches following traffic controlled intersection highway follows eastern edge kilometres past low density residential lots ends thomas road connects traffic history proposal highway similar alignment proposed network arterial roads metropolitan wide plan produced western australian government road reservation formally metropolitan region scheme named highway coming suburbs originally planned link like perth arterial road projects highway built stages initially constructed kilometre long dual road grove road opened june kilometres linked new highway albany highway completed december million section officially opened december start new route reduced traffic volume congestion albany highway segment constructed kilometre long section north opened july million section constructed responsible constructing avenue bridge stage linked great eastern highway included construction bridges railway yards bridges australia constructed launch technique opening highway renamed highway honour western australian premier minister works planning construction narrows bridge 1950s ceremony held premier unveiled plaque time aged cut ribbon ceremony officially open new section highway grade separated interchange constructed great eastern highway included lane road bridge highway pedestrian subway constructed earlier initially planned heavy traffic perth airport expected america cup construction link northern southern sections began included million stage bridge interchange north bridge metre long built launching technique designed carry traffic lanes pedestrian cycle paths converted traffic lanes required bridge deck supported narrow central section extensions big heavy bridge looked place relatively narrow section river bridge opened april received awards engineering excellence national state branches highway extended northwards reaching december november spent decade remaining largely unchanged linking albany highway construction new southern extension commenced planning infrastructure minister member participated turning ceremony june mark start project time million extension largest single road project western_australia project completed stages kilometre long section including new interchange albany highway opened premier april original connection albany highway renamed champion lakes constructed concurrently project encourage industrial residential development alongside new highway section remaining seven kilometres thomas road opened year ahead schedule december new extension improved links provided new freight route heavy vehicle traffic away existing road network residential areas april intersection drive opened traffic light controlled grade intersection allowed access international terminal perth airport bypassing intersections highway road intersection later removed july commissioning nearby interchanges gateway future works number improvement works planned highway central northern sections upgraded freeway standard road grade separated interchanges extensions planned ends highway southern end extended south link northern end future near gateway gateway perth airport billion project upgrade road network perth airport largest project undertaken covering upgrade highways construction new interchanges project jointly funded state federal governments providing million million respectively project expanded lanes directions highway existing intersections section grade separated new diamond interchange constructed avenue renamed provide access domestic terminal international terminal access provided new freeway freeway interchange highway single point urban interchange constructed highway intersection road existing diamond interchange upgraded partial freeway freeway interchange plans upgrade completely free flowing interchange future january works undertaken protect relocate sections water main vicinity project construction gateway project officially began february groundbreaking ceremony attended state federal transport ministers section constructed entrance ramp road highway southbound work interchange expected commence end construction interchanges scheduled start end project completed moved march construction moving faster expected southern extension reaches past edge southern extent planning provides extended required initial plans indicated extension continue south undeveloped semi rural areas south planned route east terminate near road upgraded following state election new government abandoned road option preferring shorter route near street closer july seven years previous extension completed minister transport announced formation community working group investigate extension highway thomas road group met times identify evaluate possible solutions traffic congestion area prepare strategic business case extension february preferred options extend highway location south lakes road south project northern section upgraded road extended northwards bypass perth component projects separately funded state federal governments contributing project construction expected begin completed northern extension planning place future extension north extension bring highway hepburn avenue near north eastern corner plans extension linking proposed new swan valley bypass continue north previously planned route prior followed lord street east planning stages state federal governments allocated funding project construction scheduled start intersection upgrades federal government allocated million grade separate intersections road drive road funding year phase upgrades intended improve freight transportation highway total cost expected million lead australian federal election resulted change government labor candidate perth accused opposition candidate lying electorate commitment upgrade official policy contain specific funding project opposition spokesperson claimed current forward estimates costing upgrade new accelerated project project definitely funded interchanges intersections
Tonkin Highway