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 one of the busiest. It incorporated the Preston By-pass, the first length of motorway opened in the UK and forms part of a motorway "Backbone of Britain", running north−south between London and Glasgow via the industrial North of England. It is also part of the east−west route between the Midlands and the east-coast ports. The section from the M1 to the M6 Toll split near Birmingham forms part of the unsigned E-road E 24 and the section from the M6 Toll and the M42 forms part of E 05. The M6 motorway runs from junction 19 of the M1 and