M55 motorway meet junction 4, where the motorway ends and becomes the A5230. The western part of the M55, and the first few hundred metres of the A5230, occupy the route of the old Blackpool Branch railway line. The first motorway constructed in Great Britain was the M6 Preston Bypass, opened in 1958. This ran from the current M6 junction 29 to the M55 junction 1. It was built as a two-lane route. In 1965 the M6 was extended north from what is the current day junction 32 to meet the Lancaster Bypass, and the M6 junction was rebuilt to its current
M6 motorway (Pakistan) not started yet due to pending Government and NHA decision. The 296-km stretch is the last missing link on the Karachi-Lahore motorway on which construction work has yet to be started. All the segments of 1650 KM Peshawar Karachi Motorway have either been completed or awarded for construction except Hyderabad-Sukkur Motorway section of PKM. At its southern terminus, the M6 motorway will connect to the M9 motorway at Jamshoro for onward connections to Karachi. The route will then course towards the northeast, and connect to the N55 Indus Highway via an interchange. It will continue to course towards the northeast