M&M Subdivision

The M&M Subdivision is a railroad line owned by CSX Transportation in Alabama. The line runs from Montgomery, Alabama, to Mobile, Alabama, for a total of 178.2 miles. At its north end it continues south from the S&NA South Subdivision and at its south end it continues south as the NO&M Subdivision. There is also the Prattville Branch which runs from Montgomery, Alabama, to Prattville, Alabama, for a total of 12.0 miles.[1][2] The name M&M stands for the Mobile and Montgomery Railroad, which the line was part of in its history.

M&M Subdivision
 CSX
S&NA South Subdivision
 Montgomery Yard
 CSX
A&WP Subdivision
000 488.1
 Montgomery
I-65 / US 82
 Prattville Branch
 Meridian and Bigbee Railroad
 CSX
Dothan Subdivision
I-65
000 532.2
 Greenville
000 547.1
 Georgiana
 Three Notch Railroad
000 568.6
 Evergreen
000 578.9
 Castleberry
000 592.9
 Brewton
 Alabama Railroad
Big Escambia Creek
 Flomaton Yard
 CSX
PD Subdivision
000 607.1
 Flomaton
000 617.7
 Canoe
000 621.6
 Atmore
 Alabama and Gulf Coast Railway
000 626.5
 Nokomis
000 642.8
 Bay Minette
000 651.3
 Hurricane
Tensaw River
Mobile River
Big Bayou Canot
Bayou Sara
000 660.2
 Akka
 Mobile Yard
000 665.2
 Mobile
 CSX
NO&M Subdivision

History

The first efforts to build the line that is now the M&M Subdivision began in 1836 when the Alabama and Florida Railroad received a land grant from the federal government for a rail line between Mobile and Montgomery, Alabama. Though, construction would not begin on the line until 1850. In 1868, the Alabama and Florida Railroad merged with the Mobile & Great Northern Railroad Company becoming the Mobile and Montgomery Railroad. The Mobile and Montgomery Railroad would be absorbed by the Louisville and Nashville Railroad in 1880.[3] The Louisville and Nashville Railroad was absorbed by the Seaboard Coast Line Railroad in 1982, which became CSX Transportation in 1986.

Big Bayou Canot accident
See also: Big Bayou Canot rail accident
Sunset Limited wreck at Big Bayout Canot

The M&M Subdivision was the site of the deadliest crash in Amtrak's history. On September 22, 1993 at 2:45 a.m., a barge lightly struck the line's bridge over Big Bayou Canot near Mobile. The bridge had been designed as a swing bridge, but the center span was never operational and was not fully secured from movement when it was built. The impact displaced the span, putting the rails out of alignment. Amtrak's Sunset Limited crossed the bridge at full speed 8 minutes later and fell into the bayou, killing 47 people.[4]

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See also

References
  1. "MM-M and M Sub - The RadioReference Wiki". Wiki.radioreference.com. Retrieved 2017-02-27.
  2. "ATLANTA DIVISION TIMETABLE NO. 3" (PDF). Multimodalways.org. Retrieved 2017-02-27.
  3. Ullrich, Dieter C. "Guide to the Alabama and Florida Railroad Company, RG 116". Auburn University Special Collections & Archives. Retrieved 7 December 2018.
  4. Wreck of the Sunset Limited episode of 'Seconds from Disaster', at IMDb, 10 August 2004
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