CSX Transportation, CSXT 6025 EMD GP40-2 leading Geometry Inspection train W001-22 crosses over the Illinois Subdivision, old B&O line and passing by the CSX Vincennes depot as it proceeding north after a short stop for a signal on the CE&D Subdivision in Vincennes, Indiana on April 22, 2020.

A track geometry car (also known as a track recording car) is an automated track inspection vehicle on a rail transport system used to test several geometric parameters of the track without obstructing normal railroad operations.-Wikipedia