The following railroads operate in the U.S. state of Delaware.
Common freight carriers
- Conrail Shared Assets Operations
- CSX Transportation (CSXT)
- Delmarva Central Railroad (DCR)
- East Penn Railroad (ESPN)
- Maryland and Delaware Railroad (MDDE)
- Norfolk Southern Railway (NS)
- Wilmington and Western Railroad (WWRC)
- Lehigh Eastern RailRoad (LHEN)
Passenger carriers
- Amtrak (AMTK)
- SEPTA: Wilmington/Newark Line
- Wilmington and Western Railroad (WWRC)
- Delaware Valley RailRoad (DVRR)
Defunct railroads
<!--South Chester Railroad?-->
{| class="wikitable sortable"
!Name
!Mark
!System
!From
!To
!Successor
!Notes
|-
|Baltimore and Delaware Bay Railroad
|
|PRR
|1881
|1902
|Delaware Railroad
|-
|Baltimore and Ohio Railroad
|B&O, BO
|B&O
|1886<!--leased the Baltimore and Philadelphia Railroad-->
|1987
|Chesapeake and Ohio Railway
|-
|Baltimore and Philadelphia Railroad
|
|B&O
|1883
|1989
|CSX Transportation
|-
|Brandywine Valley Railroad
|BVRY
|
|1999
|2005<!--?-->
|East Penn Railways
|-
|Breakwater and Frankford Railroad
|
|PRR
|1873
|1883
|Delaware, Maryland and Virginia Railroad
|-
|Cambridge and Seaford Railroad
|
|PRR
|1882<!--or 1883 in Delaware?-->
|1899
|Delaware Railroad
|-
|Chesapeake and Ohio Railway
|CO
|
|1987
|1987
|CSX Transportation
|-
|Consolidated Rail Corporation
|CR
|
|1976
|1999
|CSX Transportation, Norfolk Southern Railway
|-
|Delaware Railroad
|
|PRR
|1836
|1976
|Consolidated Rail Corporation
|-
|Delaware and Chesapeake Railway
|
|PRR
|1877
|1899
|Delaware Railroad
|-
|Delaware and Chester County Railroad
|
|B&O
|1867
|1869
|Wilmington and Western Railroad
|-
|Delaware, Maryland and Virginia Railroad
|
|PRR
|1883
|1956
|Philadelphia, Baltimore and Washington Railroad
|-
|Delaware and Pennsylvania Railroad
|
|PRR
|1857
|1873
|Pennsylvania and Delaware Railway
|-
|Delaware and Pennsylvania State Line Railroad
|
|RDG
|1865
|1866
|Wilmington and Reading Railroad
|-
|Delaware Coast Line Railroad
|DCLR
|
|1982
|2018
|Delmarva Central Railroad
|-
|Delaware Valley Railway
|DV
|
|1994
|1999
|Brandywine Valley Railroad
|-
|Delaware Western Railroad
|
|B&O
|1877
|1883
|Baltimore and Philadelphia Railroad
|-
|Dorchester and Delaware Railroad
|
|PRR
|1867
|1883
|Cambridge and Seaford Railroad
|-
|East Penn Railways
|EPRY
|
|2005<!--?-->
|2007
|East Penn Railroad
|-
|Junction and Breakwater Railroad
|
|PRR
|1857
|1883
|Delaware, Maryland and Virginia Railroad
|-
|Kent County and Delaware Bay Railroad
|
|
|
|
|
|-
|Lewes and Millsboro Railroad
|
|PRR
|1835
|1873
|Breakwater and Frankford Railroad
|-
|Maryland and Delaware Railroad
|
|PRR
|1857
|1877
|Delaware and Chesapeake Railway
|-
|Maryland and Delaware Coast Railway
|
|PRR
|1924
|1932
|Maryland and Delaware Seacoast Railroad
|-
|Maryland and Delaware Seacoast Railroad
|
|PRR
|1932
|1935
|Delaware, Maryland and Virginia Railroad
|-
|Maryland, Delaware and Virginia Railroad
|
|PRR
|1905
|1905
|Maryland, Delaware and Virginia Railway
|-
|Maryland, Delaware and Virginia Railway
|
|PRR
|1905
|1923
|Maryland and Delaware Coast Railway
|-
|New Castle and Frenchtown Turnpike and Railroad Company
|
|PRR
|1828
|1877
|Philadelphia, Wilmington and Baltimore Railroad
|-
|New Castle Turnpike and Railroad Company
|
|PRR
|1829
|1830
|New Castle and Frenchtown Turnpike and Railroad Company
|-
|New Castle and Wilmington Railroad
|
|PRR
|1839
|1877
|Philadelphia, Wilmington and Baltimore Railroad
|-
|Newark and Delaware City Railroad
|
|PRR
|1880
|1881
|Pomeroy and Newark Railroad
|-
|Octoraro Railway
|OCTR
|
|1977
|1994
|Delaware Valley Railway
|-
|Penn Central Transportation Company
|PC
|
|1968
|1976
|Consolidated Rail Corporation
|-
|Pennsylvania Railroad
|PRR
|PRR
|1918<!--leased the PB&W-->
|1968
|Penn Central Transportation Company
|-
|Pennsylvania and Delaware Railway
|
|PRR
|1873
|1879
|Newark and Delaware City Railroad
|-
|Philadelphia, Baltimore and Washington Railroad
|
|PRR
|1902
|1976
|Consolidated Rail Corporation
|-
|Philadelphia and Reading Railway
|P&R
|RDG
|1900<!--leased the Wilmington and Northern Railroad-->
|1924
|Reading Company
|-
|Philadelphia, Wilmington and Baltimore Railroad
|
|PRR
|1838
|1902
|Philadelphia, Baltimore and Washington Railroad
|-
|Pomeroy and Newark Railroad
|
|PRR
|1881
|1917
|Philadelphia, Baltimore and Washington Railroad
|-
|Queen Anne's Railroad
|
|PRR
|1895
|1905
|Maryland, Delaware and Virginia Railroad
|-
|Reading Company
|RDG
|RDG
|1924
|1976
|Consolidated Rail Corporation
|-
|Smyrna and Delaware Bay Railroad<!--was this a lessor at any point?-->
|
|PRR
|1865
|1902
|N/A
|-
|Wilmington and Brandywine Railroad
|
|RDG
|1861
|1865
|Delaware and Pennsylvania State Line Railroad
|-
|Wilmington and Northern Railroad
|
|RDG
|1877
|1976
|Consolidated Rail Corporation
|-
|Wilmington and Reading Railroad
|
|RDG
|1866
|1876
|Wilmington and Northern Railroad
|-
|Wilmington and Susquehanna Railroad
|
|PRR
|1832
|1838
|Philadelphia, Wilmington and Baltimore Railroad
|-
|Wilmington and Western Railroad
|
|B&O
|1869
|1877
|Delaware Western Railroad
|}
See also
- List of railroad lines in the Delmarva Peninsula