This article contains a list of named passenger trains in the United States, with names beginning I through M. | List of named passenger trains in the United States | | | | | | Train Name | Railroad | Train Endpoints | Operated | | Illini | Illinois Central | Chicago, IL – Champaign, IL | | | Illini Service | Amtrak | Chicago, IL – Carbondale, IL | | | Illinois Zephyr | Amtrak | Chicago, IL – Quincy, IL | | | Indianapolis Express | New York Central | Detroit, MI – Indianapolis, IN | | | Inter-American | Amtrak | St. Louis, MO – Laredo, TX | 1974– | | Inter-City Limited | Grand Trunk Western and Canadian National | Chicago, IL – Toronto, ON | | | International Limited | Amtrak and VIA | Chicago, IL – Toronto, ON | 1982–2004 | | International | Great Northern | Seattle, WA – Vancouver, BC | 1950–1971 | | Interstate Express | New York Central | Chicago, IL – Toledo, OH | | | Interstate Express | Reading–CNJ–Lackawanna | Philadelphia, PA – Syracuse, NY | | | Iron & Copper Country Express | Chicago and North Western Railway | Chicago, IL – Ishpeming, MI | | | Iroquois | New York Central | Chicago, IL – Toledo, OH | | | Train Name | Railroad | Train Endpoints | Operated | | James Whitcomb Riley | New York Central–Chesapeake & Ohio (1941–1971) Amtrak (1971–1977) | Chicago, IL – Washington, DC Chicago, IL – Newport News, VA | 1941–1977 | | Jeffersonian | Pennsylvania | New York, NY – St Louis, MO | | | Jet Rocket | Rock Island | Chicago, IL – Peoria, IL | 1956– | | John Quincy Adams | New Haven Railroad | New York, NY – Boston, MA | 1957– | | John Wilkes | Lehigh Valley | New York, NY – Coxton, PA (Wilkes-Barre, PA) | | | Juniata | Penn Central | New York City – Pittsburgh, PA | –1971 | | Train Name | Railroad | Train Endpoints | Operated | | Kansas City-Florida Special | St. Louis-San Francisco – Southern – Atlantic Coast Line – Florida East Coast | Kansas City, MO – Miami, FL | 1902–1965 | | Kansas City Mule | Amtrak | St. Louis, MO – Kansas City, MO | ?–2009 | | Kansas City Zephyr | Chicago, Burlington & Quincy | Chicago, IL – Kansas City, MO | 1953–1968 | | Kansas Cityan | Santa Fe | Chicago, IL – Kansas City, MO | 1938– | | Katy Flyer | Missouri-Kansas-Texas | Kansas City, MO – San Antonio, TX | | | Katy Limited | Missouri-Kansas-Texas | Kansas City, MO – San Antonio, TX | | | Kentucky Cardinal | Illinois Central | Louisville, KY – Memphis, TN | | | Kentucky Cardinal | Amtrak | Chicago, IL – Louisville, KY | 1999–2003 | | Keystone Service | Amtrak | New York, NY – Harrisburg, PA | | | Keystone | Pennsylvania | New York, NY – Washington, DC | 1956– | | Knickerbocker | New York Central | New York, NY – Boston, MA | | | Train Name | Railroad | Train Endpoints | Operated | | La Salle | Canadian National; VIA Rail | Chicago, IL – Toronto, ON; Sarnia, ON – Montreal, QC | | | Lake Cities | Erie Railroad, later Erie Lackawanna | Chicago, IL – Hoboken, NJ | 1947–1970 | | Lake Cities | Amtrak | Chicago, IL – Toledo (1980–1995) Chicago, IL – Pontiac, MI (1995–2004) | 1980–2004 | | Lake Cities Special | New York Central | Detroit, MI – Pittsburgh, PA | | | Lake Country Limited | Amtrak | Chicago, IL – Janesville, WI | 2000–2001 | | Lake Shore Limited | Amtrak | Chicago, IL – New York, NY/Boston, MA | | | Lake Shore Limited | New York Central | Chicago, IL – New York City | 1897-1956 | | Lake Superior Limited | Duluth, South Shore & Atlantic | Calumet, MI – St. Ignace, MI | | | Laker | Soo Line | Chicago, IL – Superior-Duluth / Minneapolis-St. Paul | June 1951 to January 1965 | | Land O'Corn | Illinois Central | Chicago, IL – Waterloo, IA | 1941? to August 5, 1967 | | Lark | Southern Pacific | San Francisco, CA – Los Angeles, CA | 1940–1968 | | LaSalle | Amtrak | Chicago, IL – Milwaukee, WI | 1980–1989 | | Laurentian | Delaware & Hudson, New York Central | New York, NY – Montreal, PQ | | | Legionnaire | Chicago Great Western | Minneapolis - St. Paul, MN – Chicago, IL | | | Lehigh Express | Grand Trunk Western | New York, New York – Chicago, IL | | | Legislator | Penn Central/Amtrak | Washington, D.C. – New York City | –1971 | | Liberty Bell | Amtrak | Philadelphia – New York City | | | Liberty Express | Amtrak | Philadelphia – Boston, MA | 1979–? | | Liberty Limited | Pennsylvania Railroad | Chicago, IL – Washington, D.C. | | | Lincoln Service | Amtrak | Chicago, IL – St. Louis, MO | 2006–present | | Lone Star | St. Louis Southwestern | Memphis, TN – Dallas, TX | –1952 | | Lone Star | Amtrak | Chicago, IL – Dallas, TX Chicago, IL – Houston, TX | 1974–1979 | | Loop | Amtrak | Chicago, IL – Springfield, IL | –1996 | | Train Name | Railroad | Train Endpoints | Operated | | Mainstreeter | Northern Pacific (1952–1970), Burlington Northern (1970–1971) | Chicago, IL – Seattle, WA (1952–1970), St. Paul, MN – Seattle, WA (1970–1971) | | | Man O' War | Central of Georgia | Atlanta, GA – Columbus, GA | 1947–1970 | | Manhattan Limited | Pennsylvania Railroad | Chicago, IL – New York | | | Manitoba Express | Minneapolis, St. Paul and Sault Ste. Marie Railway and Canadian Pacific Railway | St. Paul, MN – Winnipeg, MB | 1904–1909 | | Maple Leaf | VIA/Amtrak | New York, NY – Toronto, ON | | | Maple Leaf | Lehigh Valley | New York, NY – Toronto, ON | | | Mark Twain Zephyr | Chicago, Burlington & Quincy | Hannibal, MO – St. Louis, MO | | | Marquette | Pere Marquette | Chicago, IL – Grand Rapids, MI | | | Marylander | Baltimore and Ohio Railroad, Reading Railroad, Central Railroad of New Jersey | Washington, DC – New York, NY | ?–1956 | | Maumee | New York Central | Chicago, IL – Toledo, OH | | | Meadowlark | Chicago & Eastern Illinois | Chicago, IL – Cypress, IL | 1946– | | Memphian | St. Louis-San Francisco | St. Louis, MO – Memphis, TN | 1925–1958 | | Merchants Limited | New Haven Railroad | New York City (Grand Central Terminal) – Boston, MA | | | Mercury | New York Central | Detroit, MI – Cleveland, OH (1936–1939) Detroit, MI – Chicago, IL (1939–) | 1936– | | Meteor | St. Louis-San Francisco Railway | | | | Meteor | Sacramento Northern Railway | | | | Metroliner | Penn Central (1968–1971) Amtrak (1971–2006) | New York, NY – Washington, DC | 1968–2006 | | Metropolitan Special | Baltimore and Ohio Railroad | Washington, DC – St. Louis, MO | ?–1971 | | Michigan | New York Central | Chicago, IL – Detroit, MI | | | Michigan Central Limited | Michigan Central | New York City – Chicago, IL | | | Michigan Executive | Amtrak | Detroit, MI – Jackson, MI | | | Michigan Special | New York Central | Detroit, MI – Cincinnati, OH | | | Mid-City Express | Pennsylvania and Wabash | Chicago, IL – Detroit, MI | | | Midnight Special | Chicago & Alton, later Gulf, Mobile & Ohio | Chicago, IL – St. Louis, MO | –1971 | | Midnight Sun | Alaska Railroad | Anchorage, AK – Fairbanks, AK | | | Midwest Hiawatha | Milwaukee Road | Chicago, IL – Omaha, NE | 1942– | | Minnesotian | Chicago Great Western | Chicago, IL – Minneapolis - St. Paul, MN | | | Minute Man | Boston & Maine | Boston, MA – Washington, DC | | | Missouri River Eagle | Missouri Pacific | St. Louis, MO – Omaha, NE | 1940–1971 | | Missouri River Runner | Amtrak | St. Louis, Missouri – Kansas City, Missouri | 2009– | | Missourian | New York Central | St. Louis, MO – Cleveland, OH | | | Mohawk | Grand Trunk Western | Chicago, IL – Detroit, MI | | | Mohawk | New York Central | Chicago, IL – Toledo, OH | | | Montrealer/Washingtonian | Boston & Maine, Pennsylvania, Central Vermont Railway, New Haven Railroad (1836–1965) Amtrak (1972–1987) | Washington, DC – Montreal, PQ | | | Montreal Limited | Delaware & Hudson, New York Central | New York, NY – Montreal, PQ | | | Morning Daylight | Southern Pacific | | 1941– | | Morning Flyer | Grand Rapids & Indiana | Chicago, IL – Grand Rapids, MI | | | Morning Star | St. Louis Southwestern | St. Louis, MO – Dallas, TX Memphis, TN – Dallas, TX | 1941– | | Morning Hiawatha | Milwaukee Road | Chicago, IL – St. Paul, MN | 1939–1971 | | Motor City Special | New York Central | Chicago, IL – Detroit, MI | | | Motor Queen | New York Central | Detroit, MI – Cincinnati, OH | | | Mound City | Illinois Terminal Railroad | | | | Mountaineer | Minneapolis, St. Paul and Sault Ste. Marie Railway | Chicago, IL – Vancouver, BC, later Minneapolis - St. Paul, MN – Vancouver, BC | | | Mountaineer | Maine Central and Boston & Maine | Boston, MA – Conway, NH | | | Mountaineer | Amtrak | Chicago, IL – Norfolk, VA | | | Mount Rainier | | Seattle, Washington – Portland, Oregon | | | Murray Hill | New Haven Railroad | New York, NY (Grand Central Terminal) – Boston, MA | | | List of named passenger trains in the United States | | | | | |