The breckland line is a 51 mile and 8 chain (82.2km) line in England United kingdom and runs between Norwich and cambridge. It is electrified using 25kv at 50hz overhead live wires around Norwich and between ely and cambridge. It features the class 156 and 158. I would say the class 755 could be DLC for the route greater anglia operate services between Norwich and cambridge using the class 755 and east Midlands railway operate between norwich and liverpool using the class 158 and 156 with these services reversing at ely.