ontario highway king highway simply controlled access highway canadian province ontario route approximately long connecting eastern extension highway route lies entirely travelling kilometre border lake ridge road planning route known west durham link designation new series designation decades confirmed highway february initially planned open october opening delayed june opened alongside extension highway highway road announced route free travel delays route description kilometre lane highway extending highway north highway entire length route lay road coronation road southern end route begins level stack interchange realigned proceeds north crosses street highway partial interchange provides access north south north street route westward alignment halls road crosses road future interchange planned location continues north planned interchange road east alignment travel parallel route crosses highway winchester road partial interchange provides southbound access northbound exit commuter parking lot lay northwest corner immediately north highway route ends level stack interchange history west durham link known presented february quickly drew local residents fearful noise levels environmental effects creek recession mid-1990s resulted highway truncated temporarily slightly revised plans links appeared june technically recommended route report extension highway highway submitted environmental assessment extension announced earlier year march investment infrastructure report released august including detailed plans configuration interchanges new highway route run parallel east lake ridge road partially overlapping current route partially new alignment lot east halls road coronation road aligned accommodate new highway lanes length concrete ontario tall wall median cut small flows lake ontario construction underway late february announced designated recommended province route named initially expected completed december delays resulted opening postponed june highway opened alongside road june exit list following exits listed official lengths available entire route lies
Ontario Highway 412