Ō mut a ▁Line ▁express ▁and ▁all - st ations ▁local ▁services . ▁ ▁Form ations ▁▁ 2 - car ▁sets ▁The ▁two - car ▁sets ▁are ▁formed ▁as ▁follows ▁with ▁one ▁mot ored ▁(" M ") ▁car ▁and ▁one ▁non - power ed ▁tra iler ▁(" T ") ▁car . ▁ ▁The ▁mot ored ▁car ▁has ▁two ▁single - arm ▁p ant ograph s . ▁▁ 3 - car ▁sets ▁The ▁three - car ▁sets ▁are ▁formed ▁as ▁follows ▁with ▁one ▁mot ored ▁(" M ") ▁car ▁and ▁two ▁non - power ed ▁tra iler ▁(" T ") ▁cars . ▁ ▁The ▁mot ored ▁car ▁has ▁two ▁single - arm ▁p ant ograph s . ▁ ▁Inter ior ▁ ▁Pass enger ▁accommod ation ▁consists ▁of ▁longitud inal ▁ben ch ▁se ating ▁with ▁a ▁seat ▁width ▁of ▁ ▁per ▁person . ▁LED ▁light ing ▁is ▁used ▁in ▁the ▁inter iors , ▁and ▁two ▁ 1 7 - inch ▁L CD ▁passenger ▁information ▁screens ▁are ▁provided ▁above ▁each ▁of ▁the ▁door ways ▁with ▁information ▁provided ▁in ▁four ▁different ▁languages ▁( J apan ese , ▁English , ▁Korean , ▁and ▁Chinese ). ▁ ▁History ▁Details ▁of ▁the ▁new ▁trains ▁were ▁officially ▁announced ▁in ▁February ▁ 2 0 1 6 . ▁The ▁first ▁two ▁trains ▁( one ▁three - car ▁and ▁one ▁two - car ▁set ) ▁entered ▁re venue ▁service ▁on ▁ 2 0 ▁March ▁ 2 0 1 7 . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁N ish it ets u ▁ 9 0