 The Cashel Bypass was built by Roadbridge Ltd.

Construction of this 17.5 km tolled scheme started in June 2004 and was completed on 2 October 2006.This was the first stretch of actual M8 to open in the country (the Cashel bypass opened as standard DC in 2004 before its motorway redesignation in mid-2008).The section was built by Direct Route, who continue to operate and maintain it.