A short stretch of interstate was opened as a truck escape route into Ohio.
Further stretches of the road were soon opened.
The interchange would have a total of 12 routes when the final stretch of the M6 was opened the following year.
The stretch from junction 38 to 40 was opened in October 1968.
The first stretch of road was opened in October 1897 up to the pass.
Over the next few years, further stretches of U1 were opened.
This stretch was opened on 21 September 1991.
The stretch of the canal that Pollagh is on was opened in 1804.
This stretch of motorway, designated M3, was opened on 4 June 2010.
This stretch was opened on 24 March 1990.