Abstract: Track alignment reference system projectors having a modulated light source, in addition to arrays of light sources, optionally utilizing a lens are provided. Track alignment systems that utilize or may make use of cascaded devices are also described. Related systems and methods are also provided.
Abstract: The present disclosure is in the area of track alignment machines that maintain, adjust, or measure railroad track alignment. In particular, the present disclosure is directed toward reference systems and their use, including receivers, projectors, and combinations of projectors and receivers used to measure track position.