@gunrunnerjohn posted:Pretty evenly, there was just a large trench down the center. Pretty much the same with the museum's engines, they just had a huge groove down the middle.
My original Lionel train layout had Super O track, and I ran the trains often. My green Lionel GG-1 developed a "large trench down the center", but the wear was "pretty even", as gunrunnerjohn describes above.