The station also acted as the junction interchange between the line to Ayr and the original G&SWR main line to ,  and  from 1860 onwards, though the two routes actually separated a short distance to the west.
The station served as a hub for trains traveling to Ayr and the original G&SWR mainline, starting in 1860.  However, the routes leading to Ayr and the main line diverged slightly west of the station.