This is the method I use to achieve realistic looking HO Scale Track that is very immersive. Any dark brown color will do for the base color.
Watch video Advanced Track Weathering & Dry Pigments | River Road - Vlog #26 online without registration, duration hours minute second in high quality. This video was added by user Boomer Diorama | River Railroad 04 October 2021, don't forget to share it with your friends and acquaintances, it has been viewed on our site 17,26 once and liked it 67 people.