 The preservation of the 300 mm distortion of arch 2 was maintained; the light coloured railings are unobtrusive visually against the sky.The viaduct was formally re-opened on 29 October 1996, and ownership of the viaduct was handed over to East and South Ayrshire Councils on 18 April 1997.John Ainslie's map of 1821 and John Thomson's map of 1828 both show the route of the Kilmarnock & Troon railway and the position of Laigh Milton viaduct crossing the River Irvine.