It was made in reaction to competition for local passenger traffic, and for a time a circular service operated from Glasgow via Paisley and Barrhead.
Towards the end of the nineteenth century, the Directors of the Glasgow and South Western Railway (G&SWR) realised that the emphasis for suburban passengers had moved away from infrequent services to main population centres.
They responded by planning frequent services on suburban routes, calling at new stations close to developing industrial sites.
[1][page needed][2][page needed] There was bitter rivalry between the G&SWR and the Caledonian Railway (CR); both companies had a presence at both Paisley and Barrhead, and in 1897 the CR obtained Parliamentary authority to build the Paisley and Barrhead District Railway, serving the district between the two towns.
Operation of these services did not pay, and on 1 January 1917 under the stress of World War I conditions, both Potterhill and Barrhead Central stations were closed to passengers.
[2][page needed] The through line continued in use for goods services, and a factory for the confectionery manufacturer Cadbury was established with a private siding connection.
It then travelled via Elderslie and Johnstone to Paisley West, and from there to the goods station at Gleniffer Depot on the Barrhead Branch.