in 1998, linking the cities of Islamabad and Lahore . In the past 5 years, many new motorways have opened up including the M1 , M3 . Total: 257,683 km Paved: 152,033 km (including 339 km of expressways) Unpaved: 105,650 km (2001) Vehicles on road: 4.2 million vehicles 250,000 commercial vehicles