About 150 roads, including three national highways, were closed in Himachal Pradesh due to recent snowfall, according to the state emergency operation centre here. Higher reaches and tribal areas in Lahaul and Spiti received another spell of mild snowfall while intermittent light rains lashed parts of Kangra, Shimla, Chamba and Kullu districts, the meteorological (MeT) department said. Khoksar received 3.4 cm of snow followed by Kukumseri and Keylong which received 1.7 cm and 1 cm of snowfall, respectively. A maximum of 130 roads were blocked for vehicular traffic in Lahaul and Spiti, nine in Chamba, five in Kullu, two each in Kangra and Shimla and 200 transformers and eight water supply schemes were disrupted, the emergency centre said.