LORAM Railgrinder 403 (long grinder) heads south through the switch at the north end of the siding in Dawson Springs, Kentucky, as it works their on the Paducah and Louisville Railway, on June 5th, 2025.
The lights in the background are from the RG56, which is the short grinder that grinds switches and crossings.
According to Wikipedia: A rail grinder (or rail grinder) is a maintenance of way vehicle or train used to restore the profile and remove irregularities from worn tracks to extend its life and to improve the ride of trains using the track.
Tech Info: Nikon D810, RAW, Sigma 150-600 @ 390mm, f/6, 1/1600, ISO 320.