2 6 ▁October ▁ 2 0 0 5 ▁ 5 0 8 1 2 4 , ▁forming ▁ 2 W 4 3 ▁ 1 7 0 6 ▁West ▁Kir by ▁return ▁via ▁Liverpool ▁L ime ▁Street , ▁der a iled ▁ 2 0 0 m ▁short ▁of ▁Liverpool ▁Central , ▁caused ▁by ▁track ▁gauge ▁w iden ing ▁due ▁to ▁poor ▁track ▁condition . ▁There ▁were ▁no ▁serious ▁inj uries . ▁The ▁RA IB ▁report ▁c ited ▁in compat ibility ▁between ▁Class ▁ 5 0 8 ▁( and ▁ 5 0 7 ) ▁EM Us ▁and ▁the ▁Liverpool ▁Loop ▁track ▁as ▁a ▁caus al ▁factor , ▁along ▁with ▁maintenance ▁and ▁other ▁track ▁design ▁concerns . ▁ ▁On ▁ 6 ▁March ▁ 2 0 0 7 ▁ 5 0 8 2 1 0 , ▁forming ▁the ▁ 0 5 0 0 ▁Ton bridge ▁to ▁G at wick ▁Airport , ▁der a iled ▁near ▁Crow h urst , ▁Sur rey , ▁after ▁hitting ▁a ▁fallen ▁tree ▁on ▁the ▁line . ▁None ▁of ▁the ▁eight ▁people ▁on ▁board ▁were ▁hurt . ▁ ▁Rep lacement ▁On ▁ 1 4 ▁May ▁ 2 0 1 2 , ▁Mer sey tra vel ▁announced ▁that ▁it ▁was ▁beginning ▁a ▁project ▁for ▁replacement ▁of ▁the ▁ 5 0 8 s ▁and ▁ 5 0 7 s . ▁The ▁le ase ▁on ▁the ▁Class ▁ 5 0 7 s ▁and ▁ 5 0 8 s ▁has ▁been ▁extended ▁to ▁ 2 0 1 8 . ▁As ▁part ▁of ▁the ▁agreement ▁with ▁Angel ▁Tra