S . ▁state ▁of ▁Ohio . ▁ ▁Prim arily ▁a ▁switching ▁rail road , ▁it ▁made ▁a ▁complete ▁loop ▁around ▁the ▁city ▁of ▁To led o , ▁crossing ▁the ▁Ma ume e ▁River ▁twice . ▁ ▁Track ▁history ▁In ▁its ▁he yd ay , ▁the ▁T TR ▁was ▁double - track ed ▁all ▁the ▁way ▁around ▁the ▁city ▁of ▁To led o , ▁except ▁for ▁the ▁portion ▁around ▁the ▁Upper ▁Ma ume e ▁Bridge . ▁ ▁On ▁March ▁ 1 7 , ▁ 1 9 8 2 , ▁a ▁train ▁der a iled ▁on ▁the ▁Upper ▁Ma ume e ▁Bridge , ▁dam aging ▁it . ▁ ▁The ▁To led o ▁Terminal ▁elected ▁not ▁to ▁fix ▁the ▁bridge , ▁instead ▁abandon ing ▁it , ▁stir ring ▁up ▁much ▁controvers y . ▁ ▁In ▁ 1 9 8 3 ▁it ▁announced ▁plans ▁to ▁lay ▁continuous ▁w eld ed ▁rail ▁in ▁north ▁and ▁west ▁To led o . ▁ ▁In ▁January ▁ 2 0 1 0 , ▁CS X ▁Transport ation ▁pet ition ed ▁to ▁abandon ▁the ▁rest ▁of ▁the ▁" Back side " ▁of ▁the ▁To led o ▁Terminal ▁( the ▁portion ▁on ▁the ▁west ▁side ▁of ▁the ▁Ma ume e ▁River ) ▁from ▁Tem per ance , ▁on ▁To led o ' s ▁north ▁side , ▁to ▁a ▁small ▁portion ▁just ▁north ▁of ▁Nor folk ▁Southern ' s ▁Chicago ▁Main , ▁in ▁V ul can . ▁ ▁All ▁of ▁the ▁removal ▁track ▁has ▁since ▁been ▁completed , ▁and ▁plans ▁are ▁under way ▁to ▁turn