M55 motorway

M55
M55 highlighted in blue Show interactive map Shown with North West England motorway network Show North West England motorways map Shown with UK motorway network Show UK motorways map
Looking east from Junction 4
Route information
Maintained by National Highways
Length	12.2 mi (19.6 km)
Existed	1958–present
History	1958: First mile opened as part of M6 Preston bypass 1975: Remainder opened as M55 2023: Junction 2 added
Major junctions
East end	Fulwood
Major intersections	M6 motorway
West end	Blackpool
Location
Country	United Kingdom
Counties	Lancashire
Primary destinations	Preston Blackpool
Road network
Roads in the United Kingdom Motorways A and B road zones
← M54 → M56

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.

One mile was originally built in 1958 as part of the UK's first motorway, the Preston Bypass, and the remainder was built in 1975.