 The Ayrshire Coast Line was electrified later in 1985.British Rail Class 318 EMUs were introduced on the Ayrshire Coast Line, replacing the elderly British Rail Class 101, Class 107 and Class 126 diesel multiple units.On 22 February 1855 the 6.00 a.m. Dumfries to Glasgow train was brought to a stand on the Joint Line by a derailment due to a broken tyre.