M55 motorway M55 motorway The M55 is a motorway in Lancashire, England, which can also be referred to as the "Preston Northern Bypass". It connects the seaside resort of Blackpool to the M6 at Preston. It is 12.2 miles (19.6 km) in length. The M55 has three lanes in both directions for most of its length. After leaving the M6 at junction 32, the road immediately interchanges with the A6. It then crosses the West Coast Main Line and Lancaster Canal before passing north of Wesham to meet the A585 at junction 3. It then continues west in a rural setting to
M6 motorway (Ireland) initially opened as dual-carriageway and previously formed part of the N6, while other sections were opened as motorway. In chronological order, the various sections opened as follows (status on opening in brackets): From 24 September 2008, motorway regulations were applied from Kinnegad to the eastern end of the Athlone bypass. The Kinnegad-Athlone scheme was signed as a motorway (and numbered "M6"). Its road markings were already appropriate to a motorway prior to the change in designation coming into effect; however, motorway regulations were not in force and the speed limit was 100 km/h until 24 September of that year. Construction