The suburban electric trains were equipped with apparatus to switch between line voltages, but when the main line electrification from Crewe to Glasgow was implemented, the Maxwell Park section of the Cathcart circle was designated as a diversionary route.
The suburban electric trains were equipped with equipment to switch between power voltages, but when the main line electrification from Crewe to Glasgow was implemented, the Maxwell Park section of the Cathcart circle was designated as a temporary bypass route.