Three persons died after the car in which they were travelling rammed into a stationary trailer-truck on Mumbai-Agra National Highway this morning, Kasara police said.
Three others in the car were injured, one of them critically.
The victims were heading from Nalasopara to Nashik.
The accident took place at Umbarmali village in Kasara Ghat, police said.
The deceased were identified as Manoj Mahendra Chowdhary (who was driving), Hemant Purushottam Chowdhary and Ramesh Khandu Naik.
The injured were admitted to a hospital in Thane city.