There were not many driveable roads , however , so the Ranas ' new Rolls-Royces were brought to Kathmandu in pieces , either on frames carried by big teams of porters or on the ropeway , a lift that carried freight from Hetauda in the Terai over the Mahabharat range .
The roads going to Kathmandu were splendid , making the driving of Rolls-Royces there quite simple .