Motorway, M-1, from Peshawar to Burhan has been closed for traffic due to dense fog.
According to Motorway police spokesman, foggy condition is also prevailing at M-2 from Islamabad to Lahore. However, traffic is plying on the motorway.
People have been asked to avoid unnecessary traveling and contact motorway helpline 130 to get latest situation about the fog.
The drivers have also been directed to use fog lights during the foggy conditions.