Motorway section M-2 from Lahore to Kot Momin has also been opened after improvement in visibility range.
Dense fog has badly disrupted flight operations at Lahore's Allama Iqbal International Airport on Friday.
Air and road traffic in Lahore have disrupted owing to poor visibility at airport and sections of motorway owing to dense fog in Lahore.
Peshawar-Islamabad Motorway (M-1) was closed for vehicular traffic due to dense fog causing poor visibility besides closure of many other sections.
The flight schedule was disrupted following the immense foggy situation in Lahore which led to cancellation and delay of several domestic and international flights.
Dense fog continued to disrupt road traffic in most parts of Punjab on Thursday night,.
The lowest temperature recorded at Kalam -14°Celsius, Parachinar, Malamjabba -08°C, Skardu -07°C, Kalat, Astore -05°Celsius, Murree -04°C, Chillas and Chitral -03°Celsius.