Region: Eastern
M11 London-Cambridge Motorway
Statistics and options.
| Section | Construction started | Opened to traffic |
| Redbridge to Loughton (J4 to J5) | October 1973 | April 1977 |
| Loughton to S Harlow (J5 to J7) | October 1974 | April 1977 |
| S Harlow to Bishop's Stortford (J7 to J8) | October 1972 | June 1975 |
| Bishop's Stortford to Stump Cross (J8 to J9) | May 1977 | November 1979 |
| Cambridge Western By-pass (J9 to J14) | Jan 1977 & July 1977 | February 1980 |