The National Highway-707 was blocked near the Barwas area due to a landslide in Sirmaur district's Kamrau tehsil, reported news agency ANI on Friday.
Even, Chandigarh-Manali highway was blocked near the Mandi area following a landslide.
Meanwhile, As many as 144 tourists are stranded in Himachal Pradesh's Lahaul-Spiti following a cloudburst and landslides triggered by heavy rainfall, according to a statement issued here on Thursday.
The district administration said 204 people were stuck in Pattan Valley, of which 60 were rescued by police and Fire Department officials with the help of a ladder bridge.
Earlier, State Disaster Management Director Sudesh Kumar Mokhta had said 175 people were stranded, including 60 women and 16 children.
Deputy Commissioner Neeraj Kumar has sought helicopter support from the state government for their evacuation, a district spokesperson said.
Mokhta said sorties with a state government helicopter have been planned for tomorrow due to weather conditions. Their evacuation through road seems difficult as the route via Pangi is not expected to be ready by Friday evening, Mokhta said. Several roads and bridges have been damaged in the district due to bad weather.
(With inputs from PTI)