Motorway M-1 from Peshawar to Burhan Interchange has been closed for traffic due to dense fog on Monday morning.
According to details, Pakpattan road, Sahiwal and Arifwala are also in the grip of dense fog and traffic in the area have been affected.
The dense fog also engulfed central Punjab and some parts of Khyber Pakhtunkhwa (KP).
A spokesman of National Highway and Motorway Police has advised citizens to avoid unnecessary travelling due to fog on the motorway and GT Road.