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M275
M275 highlighted in blue
Route information
Maintained by Portsmouth City Council
Length	2.0 mi (3.2 km)
Existed	1976–present
Major junctions
North end	Wymering
Major intersections	M27 motorway
South end	Portsmouth
Location
Country	United Kingdom
Road network
Roads in the United Kingdom Motorways A and B road zones
← M271 → M602

The M275 is a 2-mile-long (3 km), dual three-lane motorway in Hampshire, southern England. It is the principal road route for entering and leaving Portsmouth. It continues as the A3 into Portsmouth, and meets the M27 at its northern terminus. From the motorway, there are scenic views over Portsmouth harbour, and the Sails of the South between the two carriageways.

The M275 is not the responsibility of National Highways. It is managed by Portsmouth City Council from the point where the slip roads to the M27 end. The M275 was not built with a full hard shoulder. For its entire length, a narrow verge is maintained, although there is space available for a full width shoulder. Instead, drivers are warned on entry from the A3 and M27 of the lack of hard shoulder, with signs saying "no hard shoulder for 2 miles".

History

The motorway was opened throughout its entire length in 1976. A junction was originally planned for a new development in the Tipner area of Portsmouth, known as the Gateway Project, which was shelved at the time. The junction's construction was abandoned primarily because planners realised that it would breach regulations that there must be a minimum of 1.25 miles (2.01 km) between motorway junctions. Before construction was halted, significant work had been carried out, including four incomplete slip roads with no road surfacing, two bridges above the site for the main roundabout, and realignment of Tipner Lane so that it served the roundabout. In 2001, the Sails of the South was unveiled close to the site of the missing junction. In 2005, Portsmouth City Council carried out refurbishments to gantry mounted signs on approach to the M27 junction. New signage was stuck over old signage, and was significantly smaller and disproportionate to the previous layout. Incorrect lane illustrations, lack of adequate route information, and increased difficulty to read at a long distance lead to driver frustration and confusion.

In 2005, the Tipner Gateway Project was resurrected along with plans for a junction. As previously, preparatory works have been carried out for the junction. Due to the regulations regarding junction spacing, the speed limit on the main carriageway of the M275 has been reduced to 60 mph (97 km/h), and 50 mph (80 km/h) on the slip roads and from the southern end of Mile End Road to the Kingston Crescent Junction. The latter junction was to be renamed junction 2, with the new Tipner Junction becoming junction 1. Most of the road signs have been replaced and the M27/M275 interchange has been remodelled to make it easier for drivers, including splitting one lane into two, although this has meant that some of the overhead gantry signs are now redundant. Completion of the junction was achieved April 2014. The junction now leads to Tipner West. There is a large park and ride site for over 600 cars alongside the junction.

Junctions

County	Location	mi	km	Junction	Destinations	Notes
Hampshire	Portsmouth	0	0	—	A27  - Brighton, Southampton
		0.7	1.2	—	M27  - Brighton, Southampton	No northbound entrance from East and no eastbound exit from North
		1.9	3.1	1	Tipner
		2.7	4.4	2	A3  - Portsmouth, Buckland A2047 - Fratton
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access

*Ceremonial Counties

Coordinate list

1. 50°50′42″N 1°05′17″W / 50.845°N 1.088°W / 50.845; -1.088
2. 50°50′20″N 1°05′17″W / 50.839°N 1.088°W / 50.839; -1.088 (Junction 30 of M8)
3. 50°49′26″N 1°05′31″W / 50.824°N 1.092°W / 50.824; -1.092 (Junction 1 of M275)
4. 50°48′47″N 1°05′10″W / 50.813°N 1.086°W / 50.813; -1.086 (Junction 2 of M275)

See also

• List of motorways in the United Kingdom

References

1. Portsmouth City Council Page

External links

Download coordinates as:

• KML
• GPX (all coordinates)
• GPX (primary coordinates)
• GPX (secondary coordinates)

• Portsmouth City Council – M275 Tipner Scheme
• Portsmouth City Council – M275 Tipner Updates
• Pathetic Motorways – M275

v t e Motorways in the United Kingdom
Great Britain	M1 M11 M18 M180 M181 A1(M) A167(M) A194(M) A1077(M) M2 M20 M23 M25 M26 M27 M271 M275 M3 M32 A3(M) A38(M) A308(M) A329(M) M4 M40 M42 M45 M48 M49 A48(M) A404(M) M5 M50 M53 M54 M55 M56 M57 M58 A57(M) A58(M) M6 M6 Toll M60 M61 M62 M65 M66 M67 M69 M602 M606 M621 A64(M) A66(M) A627(M) M73 M74 M77 A74(M) M8 M80 M876 M898 A8(M) A823(M) M9 M90
Northern Ireland	M1 M2 M3 M5 M12 M22 A8(M)
Former	M10 M41 M63 M85 A18(M) A40(M) A41(M) A102(M) A601(M) A6144(M)
Unbuilt	M12 M15 M16 M31 M64 M4 relief road
Junctions ( Category)	Almondsbury Broxden Catthorpe Charing Cross, Glasgow Denton Island Handy Cross Longbridge Lydiate Ash Scotch Corner Spaghetti Junction Switch Island Thorney Thorpe Thurcroft
Bridges	Auchenshuggle Avonmouth Bromford Don Friarton Gathurst Kingston Medway to Nowhere Ouse Rakewood Scammonden Prince of Wales Severn Thames Thelwall Tinsley Queensferry Usk Weaver
Related articles	National Highways Traffic officers South Wales Trunk Road Agent Traffic officers Transport Scotland DfI Roads Preston By-pass Smart motorway Motorway service area List
Category Commons

• Motorways in England
• Transport in Portsmouth
• Transport in Hampshire