Baltimore Belt Line (English Wikipedia)

Stover, John F. (1997). American Railroads (2 ed.). University of Chicago Press. p. 234. ISBN 978-0-226-77658-3.
Solomon, Brian (2005). CSX. MBI Railroad Color History Series. St. Paul, MN: MBI Publishing. p. 62. ISBN 978-0-7603-1796-9.

maryland.gov (Global: 2,659^th place; English: 1,407^th place)

governor.maryland.gov

"Hogan Administration Submits FASTLANE Grant Application to Double-Stack Howard Street Tunnel". Office of Governor Larry Hogan. State of Maryland. December 16, 2016. Archived from the original on December 28, 2016. Retrieved December 27, 2016.
"Governor Larry Hogan, CSX CEO Michael Ward Confirm Commitment to Howard Street Tunnel Project". Office of Governor Larry Hogan. State of Maryland. October 24, 2016. Archived from the original on December 28, 2016. Retrieved December 27, 2016.

apps.mht.maryland.gov

Nancy Miller (August 1972). "National Register of Historic Places Registration: Howard Street Tunnel" (PDF). Maryland Historical Trust. Archived (PDF) from the original on April 7, 2016. Retrieved March 1, 2016.

nytimes.com (Global: 7^th place; English: 7^th place)

Eavis, Peter (September 18, 2025). "How More Railroads Could Cut Pollution and Lighten Traffic". The New York Times.

washingtonpost.com (Global: 34^th place; English: 27^th place)

Halsey III, Ashley (March 28, 2012). "Aging Baltimore tunnel a threat to shipping economy for the city and Maryland". The Washington Post. Archived from the original on March 30, 2012. Retrieved March 29, 2012.
Hermann, Peter (April 30, 2014). "Street collapses in Baltimore, washing away cars". The Washington Post. Archived from the original on August 11, 2016. Retrieved August 24, 2017.

web.archive.org (Global: 1^st place; English: 1^st place)

Nancy Miller (August 1972). "National Register of Historic Places Registration: Howard Street Tunnel" (PDF). Maryland Historical Trust. Archived (PDF) from the original on April 7, 2016. Retrieved March 1, 2016.
Halsey III, Ashley (March 28, 2012). "Aging Baltimore tunnel a threat to shipping economy for the city and Maryland". The Washington Post. Archived from the original on March 30, 2012. Retrieved March 29, 2012.
Hermann, Peter (April 30, 2014). "Street collapses in Baltimore, washing away cars". The Washington Post. Archived from the original on August 11, 2016. Retrieved August 24, 2017.
Campbell, Colin (September 28, 2016). "CSX and Maryland officials still expect federal funding for Howard Street Tunnel". The Baltimore Sun. Archived from the original on November 18, 2016. Retrieved November 18, 2016.
"Hogan Administration Submits FASTLANE Grant Application to Double-Stack Howard Street Tunnel". Office of Governor Larry Hogan. State of Maryland. December 16, 2016. Archived from the original on December 28, 2016. Retrieved December 27, 2016.
"Governor Larry Hogan, CSX CEO Michael Ward Confirm Commitment to Howard Street Tunnel Project". Office of Governor Larry Hogan. State of Maryland. October 24, 2016. Archived from the original on December 28, 2016. Retrieved December 27, 2016.
Cox, Erin (October 24, 2016). "Hogan pledges to revamp 'infamous' Howard Street Tunnel". The Baltimore Sun. Archived from the original on December 29, 2016. Retrieved December 28, 2016.
Prudente, Tim (April 14, 2016). "Maryland seeks $155 million from feds to clear freight bottleneck beneath Baltimore". The Baltimore Sun. Archived from the original on December 29, 2016. Retrieved December 28, 2016.
Campbell, Colin; Wood, Pamela (July 23, 2019). "Feds award long-sought grant to help expand Baltimore's Howard Street Tunnel but not as much as Maryland wanted". Baltimore Sun. Archived from the original on July 27, 2019. Retrieved July 27, 2019.

worldcat.org (Global: 5^th place; English: 5^th place)

search.worldcat.org

Jonnes, Jill, 1952- (2007). Conquering Gotham : a Gilded Age epic : the construction of Penn Station and its tunnels. New York: Viking. pp. 39-40. ISBN 978-0670031580. OCLC 71266589.{{cite book}}: CS1 maint: multiple names: authors list (link) CS1 maint: numeric names: authors list (link)
Stover, John F. (1995). History of the Baltimore and Ohio Railroad (1st pbk. print. 1995 ed.). West Lafayette, Ind.: Purdue University Press. p. 174. ISBN 1557530661. OCLC 34099225.

Baltimore Belt Line (English Wikipedia)

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maryland.gov (Global: 2,659th place; English: 1,407th place)

governor.maryland.gov

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nytimes.com (Global: 7th place; English: 7th place)

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archive.org (Global: 6^th place; English: 6^th place)

baltimoresun.com (Global: 453^rd place; English: 267^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

maryland.gov (Global: 2,659^th place; English: 1,407^th place)

nytimes.com (Global: 7^th place; English: 7^th place)

washingtonpost.com (Global: 34^th place; English: 27^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

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