Key Corridors : The '50' routes
The 50s ran out of Glasgow via Gallowgate, Tollcross, Uddingston, Bothwell and Hamilton before diverging to their various destinations. All but one (the 56) started from Buchanan Street. Kelvin Central later introduced a 55 to Motherwell and Newarthill, but otherwise remaining a true 50s route.
| No | Route (all as in 1975) |
| 51 | Glasgow (BS) - Uddingston - Hamilton - Larkhall - Blackwood - Lesmahagow (Woodpark) [Limited Stop] |
| 52/152 | Glasgow (BS) - Parkhead - Tollcross - Uddingston - Bothwell - Hamilton - Larkhall - Blackwood - Lesmahagow - Coalburn (Hotel) |
| 53/153 | Glasgow (BS) - Parkhead - Tollcross - Uddingston - Bothwell - Hamilton - Larkhall - Blackwood - Lesmahagow - Coalburn (Bellfield Road) |
| 54 | Glasgow (BS) - Parkhead - Tollcross - Uddingston - Bothwell - Hamilton - Larkhall - Stonehouse - Strathaven |
| 55 | Glasgow (BS) - Parkhead - Tollcross - Uddingston - Bothwell - Hamilton - Larkhall - Ashgill - Netherburn |
| 56 | Glasgow (AX) - Parkhead - Tollcross - Uddingston - Bothwell - Hamilton - Motherwell - Flemington - Craigneuk - Wishaw - Cambusnethan - Newmains - Bonkle - Allanton - Stane - Shotts (Dykehead) |
