M61 motorway M61 motorway The M61 is a motorway in North West England. It runs from the M60 motorway northwest of Manchester and heads northwest past Bolton and Chorley to join the M6 just north of the junction between the M6 and M65 motorways to the south of Preston. Perhaps the most distinguishing section of the M61 is to be found at the southern end at the Worsley Braided Interchange between junctions 1 and 3. This stretch of the road on the approach to the terminus with the M60 ring road is a collection of sliproads and overpass tunnels providing free-flowing access
M6 motorway 1970, the Lancaster–Penrith link was completed, along with a short section of motorway by-passing the south of Walsall. The most northerly section of the motorway also opened in 1970, running to the designated terminus north of Carlisle. By 1971, the full route was completed between the junction with the M1 motorway at Rugby and the A38 road several miles north-east of Birmingham city centre, including Bromford Viaduct between Castle Bromwich (J5) and Gravelly Hill (J6), which at 3½ miles is the longest viaduct in Great Britain. Junction 6 in Birmingham is widely known as Spaghetti Junction because of its complexity