"The incident took place in the wee hours when a vegetable-laden lorry rammed into a stationary lorry from the back when the latter's driver was asking a motorcyclist for directions," RGI Airport police station Inspector T Sudhakar said.
Two passengers and a cleaner who were travelling in the speeding lorry and the motorcycle-borne man died on the spot, he said, adding six others were injured in the mishap.
The injured persons were rushed to a hospital, he said.