The railroad placed mileposts at each mile along the right-of-way from its starting point in Mobile, Alabama, to the end of the line in East St. Louis, Illinois. This location stands 632 miles from Mobile. Four mileposts lie along the city-owned portion of the trail: MP 630 at the end of Jefferson St, MP 631 just north of Rueck Rd., and MP 633 near the intersection with the Union Pacific RR tracks under 1-255. The last milepost on the line was MP 645 in East St. Louis.