sentences:  Services from Adelaide to Bridgewater usually took an average of one hour (stopping all stations), and about 50 minutes (express).Only one train every two hours operated during off-peak and weekends (most terminating at Belair) and no more than two trains per hour in either direction during peak-hours.This was because the line was single track (which is still the case today) with crossing loops located at Belair, Long Gully, Mount Lofty, Aldgate and Bridgewater.