The Cheltenham and Great Western Union Railway (C&GWU) opened a {{#switch:7ft |3mm= mm (0.118 in) |4mm= mm (0.157 in) |4.5mm= mm (0.177 in) |4.8mm= mm (0.189 in) |6.5mm= mm (0.256 in) |6.53mm= mm (0.257 in) |8mm= mm (0.315 in) |8.97mm= mm (0.353 in) |9mm= mm (0.354 in) |9.42mm= mm (0.371 in) |10.5mm= mm (0.413 in) |11.94mm= mm (0.470 in) |12mm= mm (0.472 in) |12.7mm= mm (0.5 in) |13mm= mm (0.512 in) |13.5mm= mm (0.531 in) |14mm= mm (0.551 in) |14.125mm= mm (0.556 in) |14.2mm= mm (0.559 in) |14.28mm= mm (0.562 in) |14.3mm= mm (0.563 in) |15.76mm= mm (0.620 in) broad gauge line from Swindon to Gloucester on the 8 July 1844, and built their station adjacent and to the north of the Birmingham and Gloucester station. The line from Gloucester to Cheltenham was upgraded to mixed gauge so that the