As part of the aFAS research project (automatically driverless driving safety vehicle for workplaces on federal motorways), MAN Truck & Bus developed the prototype of a safety vehicle that can follow the mobile construction sites on the hard shoulder fully automatically and driverlessly and protects the construction site personnel and other construction site vehicles against moving traffic. The test vehicle was a MAN TGM 18.340, fitted out with cameras and radar systems to provide all-round visibility and sensing, as well as various assistance systems. The steering and braking systems, sensors and control software also had to meet the most stringent criteria. The prototype vehicle was largely built using mass production components, both for its regular control systems and in implementing functional safety aspects. An additional specially developed all-round sensor system featuring high levels of safety and an integrated, highly reliable object and lane detection system also enabled analysis of road and traffic situation data. The data communication between the working vehicle at the front and the safety vehicle at the rear was wireless, and displays were installed in both vehicles to indicate the operating state of the driverless prototype.

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