AL Railroads (AL)
From The RadioReference Wiki
Railway Mile Markers I found that many radio towers shown on FCC Licenses for train operators, include the railway "mile marker" as a part of the tower location. Here are a few I dug up in the Birmingham area
On BN line from Birmingham east to Atlanta"
Mile Marker
790.29 Near Alton Road (between Irondale and Leeds) 781.8 8th St crossing (Downtown Leeds) 781.37 9th St crossing (Downtown Leeds) 780.44 Spruiell St crossing(East of Downtown Leeds) 776.59 Trails End (Brompton, near I-20 exit US78)