Methods and Systems for Multi-Sensor Fusion Railway Vehicle Localization

Techniques and systems for multi-sensor fusion railway vehicle localization are presented herein. A computing system initially receives sensor data from sensors coupled to a railway vehicle as the railway vehicle travels along a rail in an environment and determines, based on the sensor data, a three-dimensional (3D) position of the railway vehicle in the environment. The computing system then determines, based on the 3D position of the railway vehicle, a two-dimensional (2D) location of the railway vehicle within a digital map of a track network and provides the 2D location of the railway vehicle within the digital map of the track network to a control system of the railway vehicle. In some cases, a system may generate the digital map of the track networks in the form of a graph network with nodes and segments to convey location data, speed limits, and other useful information for railway vehicle travel.