The road has been blocked due to a landslide at Darechowk near the Khahare river, Mugling Police has said.
A large number of passengers have been left stranded on the road since the landslide took place at around five early this morning.
A police team has been dispatched to the site from Mugling, while a dozer from the Road Division Office, Bharatpur has begun removing the mudslide, police said.
Landslides along this section of the road have been a regular feature during monsoon.
Related story
Obstructed Beni-Darbang road traffic resumes after 10 days
