In order to solve the problems of vehicle congestion, high safety risk and difficult dispatching when multiple operational vehicles are travelling during the construction of long tunnels, an intelligent dispatching system with position confirmation, signal transmission and positioning application functions was designed, relying on the oversized diameter shield tunnel project of the airport liaison line of the Shanghai rail transit city line. The construction material priority was analysed and the vehicle dispatching order was determined with the objective of reducing vehicle waiting time, and a vehicle dispatching model was established. Based on the tunnel vehicle positioning system and vehicle dispatching model, an intelligent dispatching system for tunnel vehicles under complex working conditions has been developed and validated for application in the Dou ~ Ling interval tunnel of the airport liaison line project of the Shanghai metro line, efficiency and improve the safety of long-distance tunnel single-lane multi-vehicle driving.