Route Open Junctions Section
1 M62 Mar 1975 J35-36 Rawcliffe → Goole
2 M32 May 1975 J2-3 Eastville → Ashley Street
3 M60 May 1975 J2-4 Sharston Bypass Opened as M63
4 M8 May 1975 J12-15 Monkland Motorway Stage I
5 M11 Jun 1975 J7-8 Harlow → Stansted
6 M18 Jun 1975 J6-7 Thorne → East Cowick
7 M53 Jun 1975 J5-10 Hooton → A5117 Opened as M531
8 M62 Jun 1975 J34*-35 Pollington → Rawcliffe
9 M55 Jul 1975 J1-4 Preston Northern Bypass
10 M56 Jul 1975 J9-11 Lymm → Preston Brook
11 M66 Aug 1975 J3-M60 Bury Eastern Bypass (south)
12 M25 and A282 Sep 1975 J23-24 South Mimms → Potters Bar
13 M5 Oct 1975 J27-30 Killerton and Sowton sections
14 M23 and A23 Nov 1975 J8-11 Merstham → Pease Pottage
15 M5 Nov 1975 J24-25 North Petherton Bypass
16 M8 Nov 1975 J30-31 Bishopton Bypass Stage II
17 M27 Dec 1975 J2-4 Ower → Chilworth
18 M271 1975 Entire motorway
19 M54 Dec 1975 J5-7 Forge → Cluddley
20 A167(M) 1975 Entire motorway Opened as A1(M)
21 A58(M) and A64(M) 1975 Phase III Westgate → Armley Gyratory
22 M621 1975 J1-3 South West Urban Motorway

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Preston Bypass

The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.