(23 Mar 2014, 8:13 pm)citaro5284 wrote From Saturday 15th until Friday 21st, according to Chester Control, only 4 occasions of lost mileage were recorded for the X21, and one of those was waiting for Emergency Services?
Is the mileage still recorded as 'lost' if a replacement vehicle is sent? For example, an X21 is broken down in Chester Le Street, but the Chester depot provide a replacement 20 minutes later?