# Portsmouth Subdivision

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The Portsmouth Subdivision is a railroad line owned by CSX Transportation in Virginia and North Carolina. The line connects CSX's network with the port city of Portsmouth, Virginia. The Portsmouth Subdivision was historically operated by the Seaboard Air Line Railroad, a CSX predecessor.

## Route Description

The eastern terminus of the Portsmouth Subdivision is in its namesake city, Portsmouth, Virginia. From Portsmouth, it runs southwest to Garysburg, North Carolina on the Roanoke River, a distance of 75.8 miles. It passes through Franklin and Boykins and crosses into North Carolina just southwest of Branchville. In North Carolina, it continues southwest to Garysburg, North Carolina. The Portsmouth Subdivision currently terminates between Garysburg and the Roanoke River at a connection with line CSX's A Line (North End Subdivision).
When the Seaboard Air Line operated the line, the Portsmouth Subdivision did not connect with the A Line but instead continued parallel to it across the Roanoke River into Weldon, North Carolina. In Weldon, it passed underneath the A Line (the Atlantic Coast Line Railroad's main line at the time) at the historic two-level Weldon Union Station.
From Weldon, it continued east to Roanoke Rapids. Track from Weldon to Roanoke Rapids is still in service and it is now CSX's Roanoke Rapids Spur. The line historically continued from Roanoke Rapids west to Norlina, where it connected with the Seaboard Air Line's main line.

## History
### Formation

The first segment of the line was built in 1835 by the Portsmouth and Roanoke Railroad, which would be renamed the Seaboard and Roanoke Railroad. The Seaboard and Roanoke Railroad ran from Portsmouth to Weldon, North Carolina.
The line from Roanoke Rapids to Norlina opened in 1840 and was built by the Raleigh and Gaston Railroad. In 1852, the Raleigh and Gaston Railroad was extended from Roanoke Rapids east to Weldon. Its connection from Roanoke Rapids north to Gaston was permanently severed during the American Civil War. The extension to Weldon connected with the Seaboard and Roanoke Railway, essentially making a continuous line. The extension to Weldon also provided a connection with the Petersburg Railroad and the Wilmington and Weldon Railroad, both of which later became the main line of the Atlantic Coast Line Railroad.
In 1900, the Seaboard and Roanoke Railroad, Raleigh and Gaston Railroad, and other railroads were merged into a single company named the Seaboard Air Line Railway (later known as the Seaboard Air Line Railroad).

### Seaboard Air Line years

The Seaboard Air Line designated the line from Norlina to Portsmouth as the Portsmouth Subdivision (while the Raleigh and Gaston's track from Norlina to Raleigh, North Carolina became Seaboard's main line). The Seaboard operated passenger and freight service over the line. Though the 1950s, Seaboard ran a daily passenger train (which also carried mail) and a daily through freight train. A separate local freight train ran three days a week at the time.

### Later years

In 1967, the SAL merged with its rival, the Atlantic Coast Line Railroad (ACL), whose main line crossed the Portsmouth Subdivision in Weldon. The merged company was named the Seaboard Coast Line Railroad (SCL). The line remained largely intact after the merger. However, SCL severed the bridge over the Roanoke River to consolidate the river crossings on the A Line's parallel bridge (the ex-ACL main line) effectively truncating the Portsmouth Subdivision to its current terminus in Garysburg. Ruins of the Portsmouth Subdivision's bridge over the river are still standing next to US 301 in Weldon. The remaining track from Weldon to Norlina was then redesignated as the Roanoke Rapids Subdivision.
In 1980, the Seaboard Coast Line's parent company merged with the Chessie System, creating the CSX Corporation. The CSX Corporation initially operated the Chessie and Seaboard Systems separately until 1986, when they were merged into CSX Transportation, who continues to operate today.

## Historic Seaboard Air Line stations

| State | Milepost | City/Location | Station | Connections and notes |
| VA | SA 0.0 | Portsmouth | Portsmouth | |
| VA | SA 7.5 | Chesapeake | Bowers | |
| VA | SA 15.1 | | Magnolia | junction with Virginian Railway (N&W) |
| VA | SA 17.5 | Suffolk | Suffolk | junction with: Atlantic Coast Line Railroad Norfolk—Rocky Mount LineAtlantic and Danville Railway (N&W) |
| VA | SA 20.2 | | Kilby | junction with Norfolk and Petersburg Railroad (N&W) |
| VA | SA 26.2 | | Purvis | |
| VA | SA 31.4 | | Carrsville | |
| VA | SA 37.1 | Franklin | Franklin | also known as Blackwater junction with Atlantic and Danville Railway (N&W) |
| VA | SA 42.0 | | Delaware | |
| VA | SA 43.7 | | Hand | also known as Handsom |
| VA | SA 49.1 | Newsoms | Newsoms | |
| VA | SA 54.1 | Boykins | Boykins | junction with Seaboard Air Line Railroad Lewiston Subdivision |
| VA | SA 57.0 | Branchville | Branchville | |
| VA | SA 59.9 | | Hugo | |
| NC | SA 63.2 | | Margarettsville | |
| NC | SA 69.2 | Seaboard | Seaboard | originally Concord |
| NC | SA 72.6 | | Gumberry | |
| NC | SA 76.2 | Garysburg | Garysburg | |
| NC | SA 78.8 | Weldon | Weldon | junction with Atlantic Coast Line Railroad Main Line |
| NC | SA 82.7 | Roanoke Rapids | Roanoke Junction | junction with spur to Roanoke Rapids |
| NC | SAA 83.7 | Roanoke Rapids | Roanoke Rapids | located on spur |
| NC | SA 84.9 | | Bolling | |
| NC | SA 91.2 | | Thelma | |
| NC | SA 92.7 | | Summit | |
| NC | SA 98.3 | Littleton | Littleton | |
| NC | SA 104.0 | | Vaughan | |
| NC | SA 109.0 | Macon | Macon | |
| NC | SA 113.3 | | Warren Plains | |
| NC | SA 115.3 | Norlina | Norlina | originally Ridgeway Junction junction with Seaboard Air Line Railroad Main Line |