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Construction Timeline
When the various parts of the A1(M) were built, listed in chronological order.
NB: Junction numbers were not applied to the A1(M) until the early 1990s. The construction stages of the road do not make sense as a whole, but as a series of bypasses in different regions. It is only recently that converting the whole road to motorway was seriously considered.
| Open | Jct | Section |
|---|---|---|
| 1961 | 34-38 | Doncaster Bypass |
| 1962 | 6-8 | Stevenage Bypass |
| 1965 | 56-59 | Darlington Bypass |
| 1967 | 8-10 | Baldock Bypass |
| 1969 | 59-63 | Durham Motorway |
| 1970 | 63-65 | Birtley Bypass |
| 1973 | 4-6 | Stanborough - Welwyn |
| 1986 | 2-4 | Roestock - Stanborough |
| 1995 | 47-49 | Walshford - Dishforth |
| 1998 | 14-17 | Alconbury - Peterborough |
| 1999 | 44-45 | Aberford Bypass |
| 2005 | 39-44 | Darrington - Hook Moor |
| 2005 | 46-47 | Wetherby - Walshford |
