Robot toll collection system for expressway

The invention discloses a robot toll collection system for an expressway. The robot toll collection system comprises a special situation processing robot, a main track and an auxiliary track, the main track is hung on a ceiling of a charging channel, and the auxiliary track is installed perpendicular to the ground and communicated with the main track; the special situation processing robot walks on the main track and the auxiliary track; when a special situation event occurs, the special situation processing robot moves to the charging channel where the special situation occurs along the main track, descends to the same height as the driver along the auxiliary track and interacts with the driver to complete special situation processing. The system has the advantages that a plurality of ETC lanes can share one set of equipment, and full-automatic highway toll collection processing is realized by using the special situation processing robot. Compared with the prior art, the special situation processing response