1 0 - 4 5 0 ▁to ▁ 1 0 - 4 8 0 ) ▁entered ▁re venue ▁service ▁from ▁ 1 ▁June ▁ 2 0 1 0 . ▁L ength ening ▁from ▁eight ▁to ▁ten ▁cars ▁involved ▁inserting ▁new ▁ 2 nd - batch ▁" 1 0 - 4 x 3 " ▁( T 1 ) ▁tra iler ▁cars ▁and ▁" 1 0 - 4 x 5 " ▁( M 1 ) ▁mot ored ▁cars , ▁and ▁ren umber ing ▁the ▁original ▁" 1 0 - 4 x 5 " ▁cars ▁to ▁" 1 0 - 4 x 4 " ▁as ▁well ▁as ▁removing ▁the ▁original ▁p ant ograph . ▁ ▁A ▁further ▁three ▁new ▁ten - car ▁ 3 rd - batch ▁sets ▁were ▁delivered ▁during ▁ 2 0 1 3 . ▁The ▁first , ▁set ▁ 1 0 - 4 9 0 , ▁entered ▁re venue ▁service ▁on ▁ 1 5 ▁September ▁ 2 0 1 3 . ▁These ▁sets ▁are ▁based ▁on ▁the ▁J R ▁East ▁E 2 3 3 ▁series ▁design . ▁ ▁The ▁last ▁remaining ▁ 1 0 - 3 0 0 R ▁series ▁set ▁in ▁service , ▁set ▁ 1 0 - 3 3 0 , ▁was ▁with dra wn ▁following ▁its ▁final ▁run ▁on ▁ 1 4 ▁February ▁ 2 0 1 7 . ▁ ▁Build ▁histor ies ▁ ▁The ▁build ▁histor ies ▁of ▁the ▁ 1 0 - 3 0 0 ▁series ▁sets ▁are ▁as ▁follows . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁To