ISLAMABAD The estimated countrywide damage caused to the road networks of National Highway Authority (NHA) is approximately worth Rs 6 billion, while the damages assessed only in Khyber Pakhtunkhwa are of about Rs 4.2 billion. Three major roads ruined by the floods, rains and land sliding include Chakdara -Besham Road, Karakorum Highway and DI Khan-Mughal Kot Road. Four bridges on Chakdara-Kalam Road had been severely damaged due to which the road was closed for traffic, Chairman NHA Chaudhary Altaf said while sharing the damage assessment. Khwazakhela-Bisham Road, Ch Altaf said, was still not open for traffic but efforts were underway to restore traffic on that road with the help of FWO. The floods have also damaged Zhob-DI Khan highways One-kilometre patch which is temporarily closed for traffic. A bridge at Chakdarra on Nowshera-Chitral Road has become out of order and work is being carried on it with the help of FWO to restore traffic. Hasanabdal, Abbotabad, Mansehra, Khajrab Highway (N-35) have been closed for traffic due to land sliding at 8 points, however, efforts are underway to restore traffic on the road. The Chairman NHA said that the destroyed Ayub Bridge at Haripur- Abbotabad road was visited by experts to find options for repairing it and the work is likely to be started soon. Three bridges at Singum, Batakundi and Barwai were also affected by the rains on Mansehra-Kaghan-Chilas Road. The bridges at Batakundi and Barwai had been revamped and traffic was open for the light traffic while Khushalgarh Bridge had also been opened for light traffic, Ch.Altaf informed. A section of Kotri-Kashmore Highway (N-55) had been damaged and traffic is temporarily closed, but it is expected that it would soon be opened for traffic. In Baluchistan, the Chairman said, Karachi-Quetta-Chaman Highway and Makran Coastal Highway were open for all kinds of traffic. The Chairman also told that the Islamabad-Peshawar Motorway (M-1) and the adjacent GT Road (N-5) were open for traffic. In Punjab, the Lahore-Islamabad Motorway (M-2) and Pindi Bhatian-Faisalabad Motorway (M-3) and Islamabad-Murree-Kohala raod are also open traffic. Federal Minister for Communications Dr Arbab Alamgir Khan Khalil, after the meeting, instructed the NHA officials to swiftly repair the damaged highways and bridges.