Callahan Subdivision

Callahan Subdivision
fmr. SAL
Gross Subdivision
fmr. SAL
CSX
SM 20.0
Callahan
Norfolk Southern Railway
Valdosta District (GSF)
SM 12.3
Crawford
SM 4.2
Fouraker
fmr. Jacksonville & Southwestern RR (ACL)
← to Newberry · to Jacksonville
SM 0.0
Baldwin
Florida Gulf & Atlantic Railroad
CSX S Line (Jacksonville Terminal Subdivision)
CSX

The Callahan Subdivision is a CSX Transportation railroad line just northwest of Jacksonville, Florida. Spanning 20 miles, it runs from Baldwin north and northeast 20 miles to Callahan. The line primarily serves as a bypass to Jacksonville.

Prior to 1985, the line continued from Callahan northeast to Gross and it was known as the Gross Subdivision under CSX predecessors Seaboard Air Line Railroad and Seaboard Coast Line Railroad.