Talk:List of surface transit routes in the Baltimore Metropolitan Area/Routes and their origins

Most of the information here on the streetcar routes, as I get around to adding it, is from Baltimore's Streetcar Routes, published by the Baltimore Streetcar Museum. This includes all exact dates.

Route 1

 * Sinai Hospital to Mondawmin


 * Mondawmin to Riggs Avenue (Gilmor Street Line)
 * 1, 1899-present (TT August 1, 1948)


 * Riggs Avenue to downtown (Carey Street Line)
 * 2, 1899-1959 (TT December 11, 1948)
 * 1, 1959-present


 * downtown to Fort McHenry (Fort Avenue Line)
 * 2, 1899-1959 (TT December 11, 1948)
 * 1, 1959-present

Route 3

 * Sheppard Pratt Hospital to Baynesville


 * Baynesville to Northwood
 * 3, 1947-present


 * Northwood to Waverly
 * T, 1940-1947
 * 3, 1947-present


 * Waverly to downtown (St. Paul Street Line)
 * 17, 1899-bus June 22, 1947
 * 3, 1947-present

Route 4

 * Dundalk to Eastpoint (North Point Road)
 * H, 1925-1950
 * 55, 1950-1952
 * 4, 1971-present


 * Eastpoint to CCBC Essex

Route 5

 * Cedonia to Edison Highway


 * Edison Highway to downtown (Federal Street Line)
 * 27, December 3, 1905-1959 (TT January 1, 1939)
 * 5, 1959-present


 * Edison Highway to downtown (Preston Street Line)
 * 9, September 21, 1902-December 1, 1926
 * 27, December 1, 1926-1959 (TT January 1, 1939)
 * 5, 1959-present


 * Edison Highway to downtown (Orleans Street Line/Viaduct)
 * 20, 1899-November 24, 1929
 * 6, November 24, 1929-December 31, 1935
 * Q, 1935-1948
 * 12, 1948-1959
 * 5, 1959-present (but very roughly)


 * Downtown to Mondawmin (Druid Hill Avenue Line)
 * Fayette/Paca-Druid Hill/Fulton


 * 0, 1899-April 5, 1920
 * Fayette/Paca-Druid Hill/North


 * 5, April 5, 1920-bus June 27, 1948
 * 5/7, 1948-1959
 * 5, 1959-present

Route 7

 * Canton (Hudson Street Line)
 * 33, November 14, 1920-January 1, 1924
 * 18, January 1, 1924-1959 (bus June 8, 1952)
 * 7, 1959-present


 * Canton to downtown (Canton Line)
 * 18, 1899-1959 (bus June 8, 1952)
 * 7, 1959-present


 * Downtown to Mondawmin (Pennsylvania Avenue Line)
 * 18, 1899-1959 (bus June 8, 1952)
 * 7, 1959-present

Route 8

 * Downtown to Towson (Towson Line/Govanstown Line)
 * 7/8, 1899-January 5, 1931
 * 8, January 5, 1931-present (bus November 3, 1963)


 * Towson to Lutherville

Route 9

 * Lutherville to Hunt Valley

Route 10

 * Catonsville to downtown (Catonsville Line/Irvington Line)
 * 7/8, 1899-January 5, 1931
 * 8, January 5, 1931-1982 (bus November 3, 1963)
 * 2, 1982-2005
 * 10, 2005-present


 * Downtown to Highlandtown (Highlandtown Line via Eastern Avenue)
 * 10, 1899-present (TT April 13, 1940)
 * 34, June 1, 1907-1975 (bus March 5, 1950)
 * 22, 1975-present (but not much any more)


 * Highlandtown to Dundalk (Sparrows Point Line)
 * 24, October 1, 1903-~1926
 * 26, ~1926-1959 (bus August 31, 1958)
 * 10, 1959-present

Route 11

 * Towson to Homeland


 * Homeland to Bedford Square
 * O, 1931-1947
 * 11, 1947-present


 * Bedford Square to downtown (Bedford Square Line)
 * 17, August 21, 1916-August 24, 1924
 * 28, August 24, 1924-October 17, 1924
 * 11, October 17, 1924-present (bus June 22, 1947)


 * Guilford to downtown (Charles Street)
 * A, 1915-1947
 * 11, 1947-present


 * downtown to Gwynns Falls (Washington Boulevard Line)
 * 12, 1899-October 1, 1918
 * 27, October 1, 1918-1959 (TT January 1, 1939)
 * 11, 1959-present


 * Gwynns Falls to Lansdowne
 * J, 1927-1948
 * 52, 1948-1957
 * 27, 1957-1959
 * 11, 1959-present


 * Gwynns Falls to Westinghouse
 * W, 1942-1945
 * J, 1945-1948
 * 52, 1948-1957
 * 27, 1957-1959
 * 11, 1959-present

Route 12

 * Lutherville to Stella Maris

Route 13

 * Walbrook Junction to Patterson Park Avenue (North Avenue Line)
 * 13, 1899-present (bus January 9, 1954)


 * North Avenue to Canton (Washington Street Line/Canton Line)
 * 22, 1899-June 24, 1938
 * 34, June 24, 1938-1950? (bus March 5, 1950)
 * 13, 1950??-present

Route 14

 * Annapolis to Patapsco
 * B&A bus, 1950-1973
 * 14, 1973-present

Route 15 and Route 68

 * Lorraine to Walbrook Junction (Lorraine Line)
 * 35, January 1, 1904-1966 (bus February 27, 1954)
 * 15, 1966-2003
 * 15/68, 2003-present


 * Walbrook Junction to downtown (Edmondson Avenue Line)
 * 4, 1899-September 18, 1954
 * 15, September 18, 1954-present (bus November 3, 1963)


 * Downtown to Perry Hall (Gay Street Line)
 * 15, 1899-present (bus November 3, 1963)

Route 19

 * Carney
 * 19A, May 8, 1924-bus October 4, 1936
 * R, 1936-1948
 * 53, 1948-1956
 * 19, 1956-present


 * Harford Avenue Line
 * 19, 1899-present (bus June 16, 1956)

Route 20

 * West Baltimore Street Line
 * 15, 1899-bus May 9, 1948
 * N, 1932-1948
 * 20, 1948-present


 * Fairmount Avenue Line
 * 20, 1940-present (bus July 25, 1948)
 * 23, 1899-bus February 10, 1942
 * P, 1942?-1950
 * 23, 1950-present
 * 24, 1899-~1926
 * 26, ~1926-July 29, 1950


 * Point Breeze Line
 * 10, 1899-April 13, 1940
 * 20, April 14, 1940-present (bus July 25, 1948)
 * 24, May 2, 1903-October 1, 1903

Route 21

 * Dolphin Street Line
 * Gilmor/Saratoga-Schroeder-Harlem-Dolphin-Brevard/Preston
 * 9, July 1, 1900-December 1, 1926
 * 21, December 1?, 1926-present (TT March 6, 1938)


 * Preston Street Line/Caroline Street Line
 * 21, 1899-present (TT March 6, 1938)

Route 22

 * Crosstown
 * S, 1937-1947
 * 22, 1947-present

Route 23

 * Ellicott City Line to Rolling Road
 * 14, 1899-bus September 18, 1954
 * 23, 1954-present


 * East Fayette Street Line
 * High/Hillen-Monument-Washington-Fayette/Luzerne


 * 4, 1899-March 21, 1920?
 * Caroline/Fayette/Luzerne


 * 3, April 25, 1920?-November 15, 1936
 * G, 1925-1949
 * 17, 1949-1950
 * 23, 1950-present


 * Back and Middle Rivers Line
 * 23, 1899-bus February 10, 1942
 * P, 1933-1950
 * 23, 1950-present

Route 27

 * Belvedere to Mount Washington (Mount Washington Line)
 * 25, 1899-April 24, 1949
 * 48, April 24, 1949-1951? (bus September 14, 1950)
 * 25, 1951-1959
 * 10, 1959-1982
 * 27, 1982-present


 * Mount Washington to downtown (Mount Washington Line)
 * 25, 1899-1959 (bus April 24, 1949)
 * 10, 1959-1982
 * 27, 1982-present


 * Roland Park Line
 * 10, 1899-1982 (TT April 13, 1940)
 * 27, 1982-present


 * Westport Line
 * 12, 1899-January 1, 1939
 * 17, January 1, 1939-bus June 22, 1947
 * 28/37, 1947-1974
 * 28, 1974-1996
 * 27, 1996-present

Route 33

 * Armistead Gardens
 * V, 1941-1948
 * 6, 1948-1977
 * 62, 1977-2000
 * 35, 2000-2005
 * 33, 2005-present

Route 35

 * Wilkens Avenue Line
 * 9, 1899-December 1, 1926
 * 3, December 1, 1926-bus November 15, 1936
 * Q, 1936?-1948
 * 12, 1948-1959
 * 3, 1959-1987
 * 31, 1987-2005
 * 35, 2005-present


 * Monument Street Line
 * Patterson Park/Monument/Kresson


 * ?, March 14, 1900-December 14, 1913
 * High/Hillen-Monument/Kresson


 * 4, December 14, 1913-December 31, 1935
 * 6, December 31, 1935-1977 (bus March 21, 1948)
 * 62, 1977-2000
 * 35, 2000-present

Route 50

 * Mannasota
 * U, 1940-1948
 * 50, 1948-present

Route 51

 * Dolfield Avenue
 * I, 1940-1948
 * 51, 1948-present


 * Bentalou Street
 * D, 1923-1948
 * 51, 1948-present


 * Monroe Street
 * I, 1925-1938
 * D, 1938-1948
 * 51, 1948-present


 * Hollins Ferry-Lakeland
 * K, 1927-1947
 * 28/37, 1947-1974
 * 28, 1974-1993
 * 30, 1993-2001
 * 51, 2001-present

Route 55

 * Fox Ridge-Overlea
 * 2, 1972-1977
 * 55, 1977-present

Route 61

 * Lakeside Line
 * 11, 1899??-October 17, 1924
 * 28, October 17, 1924-November 24, 1929?
 * 24, November 24, 1929?-January 29, 1950
 * 29, 1947-1959
 * 6, 1959-1977
 * 61, 1977-present


 * Boulevard Line
 * 29, October 8, 1908-1959 (bus June 22, 1947)
 * 6, 1959-1977
 * 61, 1977-present

Route 64

 * Pennington Avenue
 * X, 1946-1948
 * 63, 1948-1951
 * 6, 1951-1977
 * 64, 1977-present


 * Curtis Bay Line
 * 6, 1899-1977 (bus March 21, 1948)
 * 64, 1977-present


 * Ferry Bar Line (via Light Street)
 * 20, 1899-November 24, 1929
 * 6, June 18, 1901-1977 (bus March 21, 1948)
 * 64, 1977-present

Route 91

 * Belvedere to Walbrook (Garrison Boulevard Line)
 * Walbrook, Gwynn Oak and Powhatan, 1899-November 14, 1910
 * 13, May 30, 1903?-November 17, 1911???
 * Walbrook, Gwynn Oak and Powhatan, November 17, 1911-June 10, 1917
 * 31, June 10, 1917-October 13, 1952
 * 19, October 13, 1952-1987 (bus June 16, 1956)
 * 91, 1987-present


 * Madison Avenue Line
 * 16, 1899-1959 (bus May 9, 1948)
 * 31, June 10, 1917-October 13, 1952
 * 19, October 13, 1952-1987 (bus June 16, 1956)
 * 91, 1987-present

Route M-1

 * Randallstown
 * E, 1922-1948
 * 54, 1948-1955
 * 32, 1955-1959
 * 28/37, 1959-1974
 * 28, 1974-1984
 * M-1, 1984-present


 * Liberty Heights Avenue Line
 * 3, June 10, 1917-April 25, 1920
 * 32, June 25, 1920-1959 (bus September 3, 1955)
 * 28/37, 1959-1974
 * 28, 1974-1984
 * M-1, 1984-present

Route M-2

 * Reisterstown Road
 * L, 1929-1948
 * 5/7, 1948-1959
 * 7, 1959-1984
 * M-2, 1984-present

Route M-3

 * Pimlico Line
 * ?, 1899-August 11, 1901
 * 3, August 11, 1901-April 22, 1916
 * 5, April 22, 1916-1984 (bus June 27, 1948)
 * M-3, 1984-present


 * Glyndon
 * M, 1932-1948
 * 40, 1948-1951
 * 5/7, 1951-1959
 * 5, 1959-1984
 * M-3, 1984-present

Route M-6

 * Woodlawn Line/Gwynn Oak Park Line (Woodlawn to Gwynn Oak Junction)
 * Walbrook, Gwynn Oak and Powhatan, 1899-November 14, 1910
 * 28, 1908?-November 14, 1910
 * 3, November 14, 1910-April 22, 1912
 * Walbrook, Gwynn Oak and Powhatan, November 17, 1911-June 10, 1917
 * 3, June 10, 1917-April 25, 1920
 * 32, April 25, 1920-1959 (bus September 3, 1955)
 * 28/37, 1959-1974
 * 28, 1974-1984
 * R-3, 1984-1987
 * M-6, 1987-present


 * West Arlington Line (Gwynn Oak Junction to Belvedere)
 * 25, October 11, 1899-November 14, 1910?
 * 3, November 14, 1910-June 10, 1917
 * 5???
 * 33, January 1, 1924-January 27, 1930
 * 20, January 27, 1930-March 16, 1930
 * 33, March 16, 1930-June 27, 1948
 * 32, June 27, 1948-1959 (bus September 3, 1955)
 * 28/37, 1959-1974
 * 28, 1974-1984
 * R-3, 1984-1987
 * M-6, 1987-present

Route M-9

 * Emory Grove Line
 * ?, 1899-August 11, 1901
 * 3, August 11, 1901-April 22, 1916
 * 5, April 22, 1916-bus July 3, 1932
 * M, 1932-1948
 * 40, 1948-1951
 * 5, 1951-1984
 * P-1, 1984-1987
 * M-9/M-16, 1987-1998
 * M-9, 1998-present

Route M-10

 * Reisterstown Road (Brighton)
 * L, 1929?-1948
 * 58, 1948-1951
 * 47, 1951-1966
 * 5, 1966-1984?
 * P-7, 1984-1987
 * M-10, 1987-present


 * Key Avenue Line
 * 47, October 11, 1899-1966 (bus September 14, 1950)
 * 5, 1966-1984?
 * R-2, 1984-1987
 * M-5, 1987-1992
 * M-10, 1992-present

Discontinued

 * Patterson Park Line (via Lombard Street and Pratt Street)
 * 0, 1899-April 25, 1920
 * 5, April 25, 1920-May 9, 1948


 * Linden Avenue Line
 * 3, 1899-March 15, 1936
 * 5, 1919-April 25, 1920
 * 32, April 25, 1920-1959 (bus September 3, 1955)
 * discontinued in 1959? (28/37 absorbed 32, but 28/37 was already on John/Park)


 * Fremont Avenue Line
 * 5, 1899-1910
 * 30, 1910-1992 (TT March 25, 1950)
 * discontinued


 * John Street Line (Mount Royal Avenue)
 * 12, 1899-January 1, 1939
 * B, 1922-1947
 * 28/37, 1947-1974
 * 28, 1974-1996
 * discontinued


 * Ellicott City Line
 * 14, 1899-December 1, 1927
 * 9, December 1, 1927-1957 (bus June 18, 1955)
 * discontinued


 * Broadway Line
 * 16, 1899-1956 (bus May 9, 1948)
 * 19, 1956-??


 * Fort Howard Line
 * 26, August 11, 1906-August 26, 1933
 * 26A, August 26, 1933-September 15, 1951
 * 38, September 15, 1951-1952


 * Bay Shore Line
 * 26, August 11, 1906-August 26, 1933
 * unnumbered?, August 26, 1933-1947


 * Union Avenue Line
 * 46, April 20, 1901-1970 (bus April 24, 1949)
 * 22, 1970-?


 * Dundalk Short Line
 * 24, May 2, 1903-October 1, 1903
 * 11, October 1, 1903-?
 * 24, ?-~November 24, 1929
 * 20, June 28, 1930-January 2, 1934
 * 10, January 2, 1934-May 2, 1934
 * 20, May 2, 1934-November 29, 1936


 * The Alameda
 * C, 1924-1943
 * discontinued


 * Chester Street/Milton Avenue
 * F, 1924-1950
 * 33, 1950-1954
 * 13, 1954-present??


 * Brunswick Street Line
 * 9, 1899-December 1, 1926??
 * June 10, 1901-??


 * Centre Street Line
 * December 28, 1908-October 27, 1915


 * Fairfield Line


 * Fish House Road Line


 * Gorsuch Avenue Line
 * March 15, 1902-March 7, 1921
 * 17, March 7, 1921-?


 * Presstman Street Short Line
 * 1899-December 14, 1919


 * Sweetair Line


 * Sharp Street
 * 1, 1948-1959
 * 1, 1948-1959


 * Downtown to North Avenue (Guilford Avenue Elevated)
 * 1, 1899-June 22, 1947
 * 8, June 22, 1947-January 1, 1950


 * Gilmor Street Short Line
 * Lombard/Gilmor/Edmondson
 * November 1, 1913-May 1, 1920 (see also 9/Dolphin Street)
 * 9, 1899-December 1, 1926

=Specific streets=

Greene Street

 * 15, May 9, 1948-November 3, 1963 Fayette-Baltimore
 * 18, early-April 4, 1948 Pennsylvania-Baltimore
 * 18, April 4, 1948-June 8, 1952 Pennsylvania-Saratoga
 * 23, November 15, 1936-February 10, 1942?? Fayette-Baltimore
 * 26, November 13, 1936-May 9, 1948? Fayette-Baltimore

Paca Street

 * 0, early-November 24, 1918 Druid Hill-Fayette, Fayette-Druid Hill
 * 0, November 24, 1918-April 25, 1920 Druid Hill-Lombard, Lombard-Druid Hill
 * 2, early-1894? Fayette-Camden, Camden-Fayette
 * 2, May 9, 1948-December 11, 1948 Redwood-Fayette
 * Pink, December 9, 1894-November 11, 1897 Camden-Fremont, Fremont-Camden
 * 5, April 25, 1920-December 1, 1924 Druid Hill-Lombard, Lombard-Druid Hill
 * 5, December 1, 1924-June 27, 1948 Druid Hill-Lombard, Camden-Druid Hill
 * 7/8, November 24, 1918-December 1, 1926 Fayette-Lombard, Lombard-Fayette
 * 12, early-October 1, 1918 Washington-Camden, Camden-Washington
 * 12, November 11, 1897-January 1, 1939 Camden-Fremont, Fremont-Camden
 * 17, January 1, 1939-June 22, 1947 Camden-Fremont, Fremont-Camden
 * 18, November 17, 1918-April 4, 1948 Baltimore-Lombard, Lombard-Baltimore
 * 18, April 4, 1948-May 31, 1951 Saratoga-Lombard, Lombard-Saratoga
 * 26, May 9, 1948-July 29, 1950 Lombard-Baltimore, Fayette-Lombard
 * 27, October 1, 1918-January 1, 1939 Washington-Camden, Camden-Washington

Eutaw Street

 * 1, May 9, 1948-August 1, 1948 Fayette-Redwood
 * 2, May 9, 1948-December 11, 1948 Fayette-Redwood
 * 5, April 22, 1916-October 27, 1918 Madison-Baltimore, Baltimore-Madison
 * 5, October 27, 1918-February 8, 1920 Madison-Redwood, Redwood-Madison
 * 5, February 8, 1920-April 25, 1920 Madison-Redwood, Camden-Madison
 * 5, December 1, 1924-June 27, 1948 Lombard-Camden
 * 15, September 18, 1954-November 3, 1963 Fayette-Saratoga, Saratoga-Fayette
 * 16, early-May 9, 1948 Madison-Baltimore, Baltimore-Madison
 * 17, 1898-February 8, 1920 Baltimore-Camden, Camden-Baltimore; taken off for a bit in 1913
 * 17, February 8, 1920-June 22, 1947 Camden-Baltimore
 * 18, May 31, 1951-October 2, 1951 Saratoga-Redwood, Lombard-Saratoga
 * 18, October 2, 1951-June 8, 1951 Saratoga-Redwood, Redwood-Saratoga
 * 19, October 13, 1952-June 16, 1956 Lombard-Madison, Madison-Redwood
 * 31, June 10, 1917-August 1, 1919 Madison-Franklin, Franklin-Madison
 * 31, August 1, 1919-October 15, 1951 Madison-Redwood, Redwood-Madison
 * 31, October 15, 1951-October 13, 1952 Madison-Redwood, Lombard-Madison

Howard Street

 * 0, early-November 11, 1897 Fayette-Lombard
 * 1, early-1895 Fayette-Lombard
 * 2, early-1895? Fayette-Lombard
 * 2, early-1893? Camden-Howard, Howard-Camden
 * 3, early-1896? Linden-Lexington, Franklin-Linden
 * 3, 1896?-by 1913 Linden-Fayette, Lexington-Linden
 * 3, by 1913-February 8, 1920?? Linden-Fayette, Fayette-Linden
 * 3, February 8, 1920??-April 25, 1920 Linden-Centre, Camden-Linden
 * 3, April 25, 1920-December 1, 1926 Linden-Fayette, Fayette-Linden
 * 3, December 1, 1926-December 15, 1935 Linden-Lombard, Lombard-Linden
 * 3, December 15, 1935-November 15, 1936 Franklin-Lombard, Lombard-Liberty
 * 4, early-1896 Franklin-Camden Station, Camden Station-Franklin
 * 4, early-1896 Franklin-Centre, Centre-Franklin
 * 4, 1896-December 31, 1935 Franklin-Saratoga, Saratoga-Franklin
 * 4, December 31, 1935-September 20, 1936 Franklin-Saratoga, Lexington-Franklin
 * 4, September 20, 1936-July 3, 1941 Lexington-Saratoga
 * Pink, early-December 9, 1894 Chase-Lexington, Franklin-Chase
 * Pink, December 9, 1894-November 11, 1897 Chase-Camden, Camden-Chase
 * 5, April 22, 1916-October 27, 1918 Baltimore-Redwood, Redwood-Baltimore
 * 7/8, early-November 11, 1897 Pratt-Lombard, Lombard-Pratt
 * 7/8, November 11, 1897-March 8, 1904 Fayette-Lombard
 * 7/8, March 8, 1904-November 24, 1918 Fayette-Lombard, Lombard-Fayette
 * 10, early-November 11, 1897 Pratt-Liberty, Liberty-Pratt
 * 10, November 11, 1897-April 13, 1940 Pratt-Chase, Chase-Pratt
 * 12, early-January 1, 1939 Camden-Liberty, Liberty-Camden
 * 14, April 14, 1901-July 3, 1941 Lexington-Saratoga
 * 17, in 1913 Liberty-Camden, Camden-Liberty
 * 25, October 27, 1915-August 8, 1937 Chase-Centre, Centre-Chase
 * 25, August 8, 1937-August 17, 1939 Chase-Lombard, Camden-Chase
 * 25, August 17, 1939-April 24, 1949 Camden-Liberty
 * 26, October 1, 1903-November 13, 1936 Franklin-Fayette, Fayette-Franklin; later Fayette-Centre for loop
 * 32, April 25, 1920-August 17, 1939 Linden-Centre/Liberty-Camden, Camden-Liberty/Franklin-Linden
 * 32, August 17, 1939-October 11, 1952 Liberty-Camden, Camden-Liberty
 * 32, October 11, 1952-September 3, 1955 Camden-Liberty

Liberty Street/Park Avenue

 * 3, early-1896? Saratoga-Franklin
 * 3, February 8, 1920-December 1, 1926 Centre-Lombard, Howard-Franklin?
 * 3, December 15, 1935-November 15, 1936 Howard??-Franklin
 * 4, July 3, 1941-September 18, 1954 Lexington-Saratoga
 * Pink, early-December 9, 1894 Saratoga-Franklin
 * 10, early-November 11, 1897 Howard-Biddle, Biddle-Howard
 * 12, early-January 1, 1939 Howard-Lafayette, Lafayette-Howard
 * 14, July 3, 1941-September 18, 1954 Lexington-Saratoga
 * 17, a bit in 1913 Baltimore-Howard, Howard-Baltimore
 * 26, ~1918?-November 15, 1936 Centre-Franklin
 * 25, August 17, 1939-April 24, 1949 Biddle-Lombard, Howard-Biddle
 * 26, ~1918-November 13, 1936 Centre-Franklin
 * 27, October 1, 1918-January 1, 1939 Preston-Howard, Howard-Preston
 * 31, June 10, 1917-August 1, 1919 Franklin-Lombard, Lombard-Franklin
 * 32, April 25, 1920-August 17, 1939 Centre-Howard, Howard-Franklin
 * 32, August 17, 1939-October 11, 1952 Read-Howard, Howard-Read
 * 32, October 11, 1952-September 3, 1955 Read-Redwood, Howard-Read

Sharp Street

 * 1, May 9, 1948-August 1, 1948 Redwood-West, Ostend-Lee
 * 3, February 8, 1920-April 25, 1920 Lombard-Camden
 * 5, February 8, 1920-April 25, 1920 Redwood-Camden
 * 6, May 2, 1910-April 12, 1911 Redwood-Lee
 * 17, 1913-February 8, 1920 Camden-Conway
 * 17, February 8, 1920-June 22, 1947 Baltimore-Camden
 * 19, early-July 28, 1912 Baltimore-Lee
 * 19, July 28, 1912-November 24, 1929 Redwood-Ostend, Ostend-Lee?
 * 19, November 24, 1929-May 9, 1948 Redwood-West?, Ostend-Lee?
 * 20, early-April 12, 1911 Baltimore-Lee
 * 25, August 8, 1937-April 24, 1949 Lombard-Camden
 * 32, April 25, 1920-October 14, 1951 Camden-Conway, Conway-Camden, Lombard-Camden
 * 32, October 14, 1951-October 11, 1952 Camden-Conway, Conway-Camden, Redwood-Camden
 * 32, October 11, 1952-September 3, 1955 Redwood-Camden

Hanover Street

 * 2, August 20, 1918-May 9, 1948 Lee-Baltimore
 * 6, May 2, 1910-April 12, 1911 Lee-Redwood
 * 6, January 21, 1917-November 24, 1929 Cromwell-Hanover Street Bridge, Hanover Street Bridge-Cromwell
 * 6, November 24, 1929-March 21, 1948 Hanover Street Bridge-Barney, Heath-Hanover Street Bridge
 * 19, early-May 9, 1948 Lee-Baltimore
 * 19, May 9, 1948-June 16, 1956 Lombard-Redwood
 * 20, early-February 1, 1910 Lee-Baltimore
 * 20, February 1, 1910-April 12, 1911 Lee-Redwood
 * 32, November 23, 1930-October 11, 1952 Lee-Conway

Charles Street

 * 1, October 17, 1897-May 12, 1901 North-25th, 25th-North
 * 2, early-1894? Conway-Fort, Fort-Conway
 * 2, 1894?-1896? Lombard-Fort, Fort-Fayette
 * 2, 1896?-August 20, 1918 Fayette-Fort, Fort-Fayette
 * 2, August 20, 1918-May 9, 1948 Baltimore-Fort, Fort-Lee
 * 2, May 9, 1948-December 11, 1948 Redwood-Fort, Fort-Lee
 * 3, several early changes; then 1896?-by 1913 Fayette-Redwood, Redwood-Lexington
 * 3, by 1913-1917? Fayette-Redwood
 * 4, December 31, 1935-September 18, 1954 Saratoga-Lexington
 * Pink, early-October 17, 1897 25th-North, North-25th
 * 6, early-June 18, 1901 Fort-Cromwell, Cromwell-Fort
 * 6, March 13, 1921-November 17, 1929 Redwood-Cromwell
 * 6, November 17, 1929-November 24, 1929 Redwood-Heath
 * 17, early-May 12, 1901 North-Read, Read-North
 * 17, May 12, 1901-May 22, 1907 Read-25th, 25th-Read
 * 17, May 22, 1907-June 22, 1947 Read-North, North-Read
 * 19, October 14, 1902-November 1, 1906 Lee?-Fort, Fort-Lee?
 * 19, November 1, 1906-July 28, 1912 Lee?-Wells, Wells-Lee?
 * 19, July 28, 1912-November 24, 1929 Ostend-Wells, Wells-Ostend
 * 25, October 17, 1897-May 21, 1901 Read-Lafayette, Lafayette-Read
 * 25, May 21, 1901-May 22, 1907 Read-25th, 25th-Read
 * 25, May 22, 1907-October 27, 1915 Read-North, North-Read
 * 25, October 27, 1915-August 8, 1937 Centre-Redwood, Redwood-Centre
 * 28/11, August 24, 1924-August 21, 1929 North-Read, Read-North
 * 29, October 8, 1908-June 22, 1947 Read-North, North-Read
 * 30, July 10, 1921-March 25, 1950 North-Lafayette
 * 30, January 26, 1930-March 25, 1950 Hamburg-Barney, Heath-Hamburg
 * Centre Street, December 28, 1908-October 27, 1915 Centre-Redwood, Redwood-Centre
 * Charles Street, June 18, 1901-November 1, 1906 Fort-Cromwell, Cromwell-Fort
 * Charles Street, November 1, 1906-April 12, 1919 Wells-Cromwell, Cromwell-Wells

Light Street

 * 6, early-June 18, 1901 Dorsey-Long Bridge, Long Bridge-Dorsey
 * 6, June 18, 1901-October 9, 1902? Ostend-Long Bridge, Long Bridge-Ostend
 * 6, October 9, 1902?-May 2, 1910 Fort-Long Bridge, Long Bridge-Fort
 * 6, May 2, 1910-April 12, 1911 Long Bridge-Lee, Lee-Long Bridge
 * 6, April 12, 1911-January 21, 1917 Long Bridge-Baltimore, Baltimore-Long Bridge
 * 6, January 21, 1917-March 13, 1921 Baltimore-Cromwell, Cromwell-Baltimore
 * 6, March 13, 1921-November 24, 1929 Cromwell-Redwood
 * 6, November 24, 1929-March 21, 1948 Barney-Baltimore, Baltimore-Heath
 * 19, early-October 14, 1902 Ferry Bar-Lee, Lee-Ferry Bar; first cut back to Heath, then Ostend
 * 20, early-April 12, 1911 Ferry Bar??-Lee, Lee-Ferry Bar?? (Ferry Bar at least to 1899)
 * 20, April 12, 1911-November 24, 1929 Ferry Bar??-Baltimore, Baltimore-Ferry Bar??
 * 28/11, August 24, 1924-August 21, 1929 Lombard-Baltimore
 * 32, November 23, 1930-October 11, 1952 Conway-Lee
 * Light Street, January 21, 1917?-July 4, 1921 Cromwell-Ferry Bar, Ferry Bar-Cromwell

Calvert Street

 * 4, 1902 or 1903-December 31, 1935 Centre-Pleasant, Pleasant-Centre
 * 5, May 9, 1948-June 27, 1948 Pratt-Lombard
 * 17, early-June 22, 1947 Read-Baltimore, Baltimore-Read
 * 25, October 17, 1897-October 27, 1915 Baltimore-Read, Read-Baltimore
 * 25, October 27, 1915-August 8, 1937 Redwood-Lombard
 * 28/11, August 24, 1924-August 21, 1929 Read-Lombard, Baltimore-Read
 * 29, October 8, 1908-1918 Baltimore-Read, Read-Baltimore
 * 29, 1918-June 22, 1947 Read-Lombard, Pratt-Read
 * 31, June 10, 1917-August 1, 1919 Pratt-Lombard
 * 31, August 1, 1919-October 15, 1951 Redwood-Lombard

East-west
Note: the information for Routes 23 and 26 is incomplete and inaccurate.

Fayette Street

 * 0, early-November 11, 1897 Paca-Howard, Guilford-Paca
 * 0, November 11, 1897-November 24, 1918 Paca-Guilford, Guilford-Paca
 * 1, early-1895 Gilmor-Howard, Guilford-Gilmor
 * 1, 1895-June 22, 1947 Gilmor-Guilford, Guilford-Gilmor
 * 1, June 22, 1947-May 9, 1948 Gilmor-Gay, Carrollton-Gilmor
 * 1, May 9, 1948-August 1, 1948 Gilmor-Eutaw, Paca-Gilmor
 * 2, early-August 20, 1918 Carrollton-Howard, Guilford-Carey; later returning Charles-Carey; later (by 1896) Carrollton-Charles, Charles-Carey
 * 2, August 20, 1918-May 9, 1948 Carrollton-Carey
 * 2, May 9, 1948-December 11, 1948 Carrollton-Eutaw, Paca-Carey
 * 3, early-February 8, 1920 Holliday-Charles; later (by 1896) Howard-Charles, Holliday-Guilford (also Howard-Guilford from Pimlico, August 11, 1901-April 22, 1916); later (by 1913) Howard-Charles, Guilford-Charles??; later (by 1917) Howard-Guilford
 * 3, April 25, 1920-December 1, 1926 Howard-Gay, Gay-Howard
 * Pink, early-December 9, 1894 Holliday-Guilford
 * 7/8, early-November 11, 1897 Holliday-Guilford
 * 7/8, November 11, 1897-March 8, 1904 Holliday-Howard, Guilford-Holliday
 * 7/8, March 8, 1904-November 24, 1918 Holliday-Howard, Howard-Holliday
 * 7/8, November 24, 1918-December 1, 1926 Holliday-Paca, Paca-Holliday
 * 7/8, December 1, 1926-June 22, 1947 Holliday-Gilmor, Gilmor-Holliday
 * 8, June 22, 1947-January 1, 1950 Guilford-Gilmor, Gilmor-Guilford
 * 8, January 1, 1950-November 3, 1963, Holliday-Gilmor, Gilmor-Holliday
 * 15, May 9, 1948-November 3, 1963 Gay-Greene, Pearl-Gay
 * 15, September 18, 1954-November 3, 1963 Gay-Eutaw, Eutaw-Gay
 * 19, early-October 8, 1914 Aisquith-Guilford
 * 19, May 9, 1948-June 16, 1956 Gay-Commerce, Guilford-Gay
 * 20, early-October 8, 1914 Aisquith-Guilford
 * 20, December 28, 1942-May 9, 1948 Gay-Holliday
 * 23, ?-November 15, 1936 Gay-Holliday, later Holliday-Gay?
 * 23, November 15, 1936-August 1, 1937 Gay-Greene, Pearl-Gay
 * 23, August 1, 1937-February 10, 1942 Gay-Holliday
 * 26, October 1, 1903-May 9, 1948 Howard-Gay, Gay-Howard
 * 26, May 9, 1948-July 29, 1950 Pearl-Paca
 * Centre Street, December 28, 1908-October 27, 1915 Holliday-Guilford

Baltimore Street

 * 1, June 22, 1947-May 9, 1948 Gay-Carrollton
 * 2, August 20, 1918-May 9, 1948 Carrollton-Charles, Hanover-Carrollton
 * 5, April 22, 1916-October 27, 1918 Eutaw-Howard, Howard-Eutaw
 * 6, November 24, 1929-August 11, 1935 Light-Aisquith, Aisquith-Light
 * 6, August 11, 1935-March 21, 1948 Light-Holliday, Holliday-Light
 * 15, early-May 9, 1948 Franklintown-Gay, Gay-Franklintown
 * 15, May 9, 1948-November 3, 1963 Greene-Pearl
 * 16, early-May 9, 1948 Eutaw-Broadway, Broadway-Eutaw
 * 17, 1898-February 8, 1920 Calvert-Eutaw, Eutaw-Calvert (only east of Liberty for a bit in 1913)
 * 17, February 8, 1920-June 22, 1947 Calvert-Sharp, Eutaw-Calvert
 * 18, early-November 17, 1918 Greene-Albemarle, High-Greene
 * 18, November 17, 1918-April 4, 1948 Greene-Paca, Paca-Greene
 * 19, early-July 28, 1912 Hanover-Aisquith, Guilford-Sharp
 * 19, July 28, 1912-October 8, 1914 Guilford-Aisquith
 * 19, October 8, 1914-May 9, 1948 Guilford-Aisquith, Aisquith-Guilford
 * 20, early-February 1, 1910 Hanover-Aisquith, Guilford-Sharp
 * 20, February 1, 1910-April 12, 1911 Guilford-Aisquith
 * 20, April 12, 1911-October 8, 1914 Light-Aisquith, Guilford-Light
 * 20, October 8, 1914-November 24, 1929 Light-Aisquith, Aisquith-Light
 * 20, December 28, 1942-May 9, 1948 Wolfe-Gay, Holliday-Wolfe
 * 23, 1899-November 15, 1936 Eutaw-Gay, Gay-Eutaw; later Eutaw-Holliday, Holliday-Eutaw; later none; later Gay-Holliday
 * 23, November 15, 1936-February 10, 1942 Greene-Pearl
 * 23, August 1, 1937-February 10, 1942 Wolfe-Gay, Gay-Wolfe
 * 26, May 9, 1948-July 29, 1950 Paca-Pearl

Redwood Street

 * 1, May 9, 1948-August 1, 1948 Eutaw-Sharp, Hanover-Paca
 * 2, May 9, 1948-December 11, 1948 Eutaw-Charles, Hanover-Paca
 * 3, early-1917? Charles-South; later also South-Charles until by 1913
 * Pink, early-December 9, 1894 Charles-South, South-Charles
 * 5, April 22, 1916-October 27, 1918 Howard-South, South-Howard
 * 5, October 27, 1918-February 8, 1920 Eutaw-South, South-Eutaw
 * 5, February 8, 1920-April 25, 1920 Eutaw-Sharp
 * 18, May 31, 1951-June 8, 1952 Eutaw-South; also South-Eutaw after October 2, 1951
 * 19, July 28, 1912-May 9, 1948 South-Sharp
 * 19, May 9, 1948-October 13, 1952 Hanover-South
 * 19, October 13, 1952-June 16, 1956 Eutaw-South
 * 20, February 1, 1910-April 12, 1911 Hanover-South, South-Sharp
 * 25, October 27, 1915-August 8, 1937 Charles-Calvert, South-Charles
 * 31, August 1, 1919-October 15, 1951 Eutaw-Calvert, South-Eutaw
 * 31, October 15, 1951-October 13, 1952 Eutaw-South
 * 32, October 14, 1951-September 3, 1955 Liberty-Sharp
 * Centre Street, December 28, 1908-October 27, 1915 Charles-South, South-Charles

Lombard Street

 * 0, early-November 11, 1897 Howard-Exeter, Exeter-South
 * 0, November 11, 1897-November 24, 1918 South-Exeter, Exeter-South
 * 0, November 24, 1918-April 25, 1920 Paca-Exeter, Exeter-Paca
 * 1, early-1895 Howard-South
 * 2, early-1895? Howard-South; later Howard-Charles
 * 3, early-by 1913 South-Commerce
 * 3, February 8, 1920-April 25, 1920 Liberty-Sharp
 * 3, December 1, 1926-November 15, 1936 Howard-Gilmor, Gilmor-Howard
 * Pink, early-December 9, 1894 South-Commerce
 * 5, April 25, 1920-September 13, 1936 Paca-Exeter, Exeter-Paca
 * 5, September 13, 1936-May 9, 1948 Paca-High, Exeter-Paca
 * 5, May 9, 1948-June 27, 1948 Paca-South, Calvert-Paca
 * 7/8, early-November 11, 1897 Howard-Frederick, Gilmor-Howard, South-Commerce
 * 7/8, November 11, 1897-March 8, 1904 Howard-Frederick, Gilmor-South
 * 7/8, March 8, 1904-November 24, 1918 Howard-Frederick, Gilmor-Howard
 * 7/8, November 24, 1918-December 1, 1926 Paca-Frederick, Gilmor-Paca
 * 7/8, December 1, 1926-November 3, 1963 Gilmor-Frederick (reversed direction September 12, 1959)
 * 18, November 17, 1918-September 13, 1936 Paca-Albemarle, High-Paca
 * 18, September 13, 1936-May 31, 1951 Paca-High, Exeter-Paca
 * 18, May 31, 1951-October 2, 1951 South-High, Exeter-Eutaw
 * 18, October 2, 1951-June 8, 1952 South-High, Exeter-South
 * 19, May 9, 1948-October 13, 1952 Commerce-Hanover
 * 19, October 13, 1952-June 16, 1956 Commerce-Eutaw
 * 25, October 27, 1915-August 8, 1937 Calvert-South
 * 25, August 8, 1937-August 17, 1939 Howard-Sharp
 * 25, August 17, 1939-April 24, 1949 Liberty-Sharp
 * 31, June 10, 1917-August 1, 1919 Liberty-South
 * 31, August 1, 1919-October 15, 1951 Calvert-South
 * 31, October 15, 1951-October 13, 1952 South-Eutaw
 * 32, April 25, 1920-October 14, 1951 Liberty-Sharp
 * Centre Street, December 28, 1908-October 27, 1915 South-Commerce

Pratt Street

 * 5 May 9, 1948-June 27, 1948 South-Calvert
 * 7/8 early-November 11, 1897 South-Howard, Howard-South
 * 10 early-April 13, 1940 Exeter-Howard, Howard-Exeter; later continued east of Exeter
 * 29, 1918-June 22, 1947 South-Calvert
 * 31, June 10, 1917-August 1, 1919 South-Calvert
 * 33, November 14, 1920-January 1, 1924 South-Exeter, Exeter-South

Camden Street

 * 2, early-1894? Paca-Howard, Howard-Camden
 * 3, February 8, 1920-April 25, 1920 Sharp-Howard
 * Pink, December 9, 1894-November 11, 1897 Howard-Paca, Paca-Howard
 * 5, February 8, 1920-April 25, 1920 Sharp-Eutaw
 * 5, December 1, 1924-June 27, 1948 Eutaw-Paca
 * 12, early-January 1, 1939 Paca-Howard, Howard-Paca
 * 17, 1913-February 8, 1920 Eutaw-Sharp, Sharp-Eutaw (Camden instead of Eutaw earlier in 1913)
 * 17, February 8, 1920-January 1, 1939 Sharp-Eutaw
 * 17, January 1, 1939-June 22, 1947 Sharp-Paca, Paca-Eutaw
 * 25, August 8, 1937-April 24, 1949 Sharp-Howard
 * 27, October 1, 1918-January 1, 1939 Howard-Paca, Paca-Howard
 * 32, April 25, 1920-September 3, 1955 Howard-Sharp, Sharp-Howard; only Sharp-Howard after October 11, 1952