Motorway has been closed for all types of traffic at various points due to heavy fog in the wee hours on Thursday, reported 24NewsHD TV channel.
According to motorway police due to smog M2 Motorway has been shut for traffic from Lahore to Jaranwala and Hiran Minar interchanges.
Moreover, M1 Motorway has been closed from Swabi to Peshawar region.
Meanwhile at least 15 people have been injured during an accident at Narang Mandi Road in Narowal district when bus and truck collide due to fog.
The injured have been shifted to nearby hospital. The bus was going to Lahore from Narowal.
Reporter: Rana Faran Yamin