3 ▁August ▁ 2 0 0 4 : ▁Route ▁ 8 3 ▁started ▁operating . ▁ 1 ▁November ▁ 2 0 0 4 : ▁Route ▁ 6 6 , ▁part ▁of ▁phase ▁ 2 , ▁started ▁operating . ▁ 2 1 ▁November ▁ 2 0 0 5 : ▁As ▁Taiwan ▁High ▁Speed ▁Rail ▁begin ▁operating , ▁Route ▁ 6 9 ▁and ▁ 8 5 ▁started ▁operating . ▁▁ 2 0 0 9 ~ 2 0 1 0 ▁▁ 1 ▁January ▁ 2 0 0 9 : ▁Route ▁ 9 9 ▁started ▁operating . ▁ 1 0 ▁March ▁ 2 0 0 9 : ▁Route ▁ 1 8 ▁started ▁operating . ▁ 1 8 ▁May ▁ 2 0 0 9 : ▁Route ▁ 5 1 , ▁ 5 2 , ▁ 5 3 , ▁ 5 4 , ▁ 5 5 , ▁ 5 6 , ▁ 5 7 ▁( se ven ▁routes ▁of ▁Ta ich ung ▁Trans it ▁Jet ▁bus ▁or ▁T T J ▁bus ) ▁and ▁ 6 7 ▁started ▁operating . ▁ 1 ▁January ▁ 2 0 1 0 : ▁Route ▁ 5 8 ▁started ▁operating . ▁▁ 1 ▁July ▁ 2 0 1 0 : ▁Route ▁ 2 8 ▁started ▁operating . ▁▁ 2 0 1 1 ~ 2 0 1 2 ▁▁ 1 ▁January ▁ 2 0 1 1 : ▁Route ▁ 5 0 ▁and ▁ 2 1 5 ▁started ▁operating . ▁ 1 4 ▁February ▁ 2 0 1 1 : ▁Route ▁ 9 , ▁ 8 3