▁station ' s ▁bus ▁terminal . ▁ ▁Since ▁ 2 0 0 7 , ▁the ▁station ▁has ▁been ▁fully ▁accessible ▁with ▁the ▁addition ▁of ▁elev ators , ▁es cal ators ▁and ▁st air way ▁connecting ▁all ▁levels . ▁ ▁Sub way ▁infrastr ucture ▁in ▁the ▁vic inity ▁North ▁of ▁the ▁station , ▁the ▁tunnel ▁j ogs ▁west ▁to ▁cross ▁to ▁the ▁west ▁side ▁of ▁Y on ge ▁Street . ▁At ▁the ▁Mu ir ▁Portal ▁the ▁line ▁runs ▁in ▁an ▁open ▁cut ▁for ▁ 1 . 3 ▁kilometres , ▁between ▁Y on ge ▁Street ▁and ▁the ▁Davis ville ▁Y ard , ▁the ▁T TC ' s ▁original ▁sub way ▁yard . ▁ ▁South ▁of ▁the ▁station , ▁the ▁train ▁continues ▁to ▁travel ▁in ▁a ▁tunnel . ▁Origin ally , ▁the ▁area ▁south ▁of ▁the ▁station ▁was ▁open - cut ▁until ▁Summer hill ▁Avenue , ▁immediately ▁before ▁Summer hill ▁station ; ▁the ▁line ▁continued ▁in ▁open ▁cut ▁as ▁far ▁as ▁Ple asant ▁Bou lev ard , ▁just ▁before ▁the ▁next ▁station ▁to ▁the ▁north , ▁St . ▁Cla ir . ▁Vari ous ▁sections ▁of ▁this ▁open ▁cut ▁were ▁roof ed ▁over ▁as ▁the ▁years ▁passed , ▁and ▁since ▁the ▁early ▁ 1 9 8 0 s ▁it ▁has ▁been ▁entirely ▁under ▁cover , ▁except ▁when ▁one ▁block ▁was ▁opened ▁out ▁and ▁re - cover ed , ▁to ▁allow ▁new ▁construction ▁above ▁it . ▁Pass engers ▁who ▁look ▁out ▁into ▁the ▁tunnel ▁on ▁this ▁section ▁can ▁still ▁see ▁the ▁s lop ing ▁sides ▁of ▁the ▁original