This is the third such incident on Malshej ghat route this monsoon season.
"Boulders crashed for the third time this season in the Malshej ghats within the limits of Murbad taluka late tonight," the district rural police control said.
The incident took place around 10.30 pm, due to which the vehicular movement on this route has been stopped, police said.
Last month, the route had been kept closed for ten days after boulders had crashed, blocking the path.