Region: South East
M27. The South Coast Motorway and A3(M)
Statistics and options.
| Section | Construction started | Opened to traffic |
| Cadnam to Ower (J1 to J2) | July 1973 | August 1975 |
| Ower to Chilworth (J2 to 4) | January 1973 | December 1975 |
| Chilworth to Stoneham | October 1981 | 1983 |
| Stoneham advanced bridges | April 1981 | 1983 |
| Stoneham to Hedge End (J7) | 1981/82 | 1983 |
| Hedge End to Windover (J7 to J8) | April 1976 | February 1978 |
| Windover to Funtley (J8 to J10) | May 1972 | March 1976 |
| Funtley to Portbridge (J9 to J12) | February 1973 | March 1976 |
| M271 Nursling Link | January 1973 | December 1975 |
| A3(M) Horndean to Bedhampton | December 1976 | November 1979 |