The landslide took place near the Adoshi Tunnel which is close to Lonavala.
Railway Minister Suresh Prabhu today announced two special trains between Mumbai and Pune to clear the passengers stranded due to a landslide on the busy highway that has crippled road traffic.
He also said the passengers can avail train services to reach their destination.
Mr Prabhu tweeted:
Three persons were today killed after a landslide on the Mumbai-Pune Expressway, police said.
Following the landslide, the road has been closed for traffic.
Investigation is underway to find out whether the victims were travelling from Pune to Mumbai or vice versa, police said. The injured have been admitted to a hospital in Lonavla.