Blackburn of Blackburn, to a point close to the village of Lostock Hall near Preston, about to the west. Junction six of the motorway is located at the eastern edge of Blackburn, near the Intack area; junctions five and four are located to the south, near the village of Guide and the Lower Darwen area respectively; and junction three is located at the south-western edge of the town, close to the Feniscowles area. The M65 links Blackburn to the national motorway network, connecting to junction nine of the M61 and junction 29 of the M6. Other major roads in and around
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