The fog was especially thick on mountain roads, including the Lampang-Tak Road in Koh Kha, Somprab and Thoen districts and Lampang-Ngao-Phayao Road in Ngao disrict. Motorists should drive slowly and use fog lights because of low visibility, said Chakorn Na-Lampang, chief of the Disaster Mitigation Office in Thoen district. Accidents often occurred when there was thick fog, he said.
Source: The Nation Bangkok November 06, 2017 02:48 UTC