M and B Railroad, M1/M3 (railcar), M-10000, M-10001, M-10002, M-10003-6, M2 (railcar), M-7 (railcar), Ma On Shan (KCR), MacArthur (BART station), Machiya Station, Machtlfinger Straße (Munich U-Bahn), Mackenzie Northern Railway, Macomb and Western Illinois Railroad, Macon and Western Railroad, Mad River and Lake Erie Railroad, Maffeiplatz (Nuremberg U-Bahn), Magdalenenstraße (Berlin U-Bahn), Magenta (Paris RER), Maglev train, Magma Arizona Railroad, Magnetic levitation train, Magnetic Signal Company, Mahalaxmi (railway station), Mahim, Maillingerstraße (Munich U-Bahn), Main Line of Public Works, Main North railway line, New South Wales, Main Street Station (Richmond), Main Street, Norristown (SEPTA station), Maine Central Railroad, Mainline Freight, Maintenance of way, Mainz Hauptbahnhof, Mala Rijeka viaduct, Malad (Mumbai suburb), Malbone Street Wreck, Malden Center (MBTA station), Maliguda Tunnel, Mallet locomotive, Malvern (SEPTA station), Mamaroneck (Metro-North station), Manassas (Amtrak station), Manassas Park (VRE station), Manassas Park VRE station), Manchester & Leeds Railway, Manchester and Birmingham Railway, Manchester and Leeds Railway, Manchester and Southport Railway, Manchester Locomotive Works, Manchester Metrolink, Manchester Victoria station, Manchester, Buxton, Matlock and Midlands Junction Railway, Manchester, Sheffield and Lincolnshire Railway, Manchester, South Junction and Altrincham Railway, Mangapps Railway Museum, Mangfallplatz (Munich U-Bahn), Mangonia Park (Tri-Rail station), Manhasset (LIRR station), Manhattan Bridge, Manhattan Transfer (PRR station), Manila Light Rail Transit System, Manila Metro Rail Transit System, Manistique and Lake Superior Railway, Manitoba Great Northern Railway, Manitou (Metro-North station), Manitou and Pike's Peak Railway, Mankhurd, Manning Wardle, Manningham railway station, Mansfield and Pinxton Railway, Manx Electric Railway, Manyōsen, Maple Leaf (Amtrak), Maple Leaf (Amtrak/VIA), Marble Hill (Metro-North station), Marble Hill-225th Street (IRT Broadway-Seventh Avenue Line), Marc Isambard Brunel, MARC Train, March 2005 in rail transport, March 2006 in rail transport, Marcus Hook (SEPTA station), Margam TMD, Mariazellerbahn, Maricopa (Amtrak station), Marienplatz (Station), Marietta and Cincinnati Railroad, Maritime Line, Mark Hopkins, Mark Twain Zephyr, Market Street Railway, Market Street Railway Company, Market Street Subway, Märkisches Museum (Berlin U-Bahn), Marmaray, Marpole Bridge, Marshall Monroe Kirkman, Martin Luther King, Jr. Plaza (Toledo), Martin Sigvart Grytbak, Maryland and Delaware Railroad, Maryland Midland Railway, Maryland Transit Administration, Marylebone station, Maryport and Carlisle Railway, Mass Rapid Transit (Singapore), Mass Rapid Transit System (Chennai), Massachusetts Avenue (MBTA station), Massachusetts Bay Transportation Authority, Massachusetts Central Railroad, Massena Terminal Railroad, Mastic-Shirley (LIRR station), Mastodon (steam locomotive), Mather Stock Car Company, Matheran Hill Railway, Matlock Cable Tramway, Mattapan (MBTA station), Matthew Baird, Matthew Holmes, Matthew K. Rose, Matthew Kirtley, Matthias N. Forney, Matthias Nace Forney, Matthias W. Baldwin, Matthias William Baldwin, Maurice LeClair, Maverick (MBTA station), Maxfeld (Nuremberg U-Bahn), Maximilianstraße (Nuremberg U-Bahn), Max-Weber-Platz (Munich U-Bahn), May 2005 in rail transport, May 2006 in rail transport, Mayakovskaya, Maywood (Metra), MBTA Commuter Rail, MC Metals, McCloud Railway, McKeen Motor Car Company, McKinney Avenue Transit Authority, McPherson Square (Washington Metro), Medical Center (MARTA station), Medical Center (Washington Metro), Medvedkovo, Megatrain, Meguro Station, Mehringdamm (Berlin U-Bahn), Mei Foo (KCR), Mei Foo (MTR), Meigs Elevated Railway, Meiringen-Innertkirchen Bahn, Mejiro Station, Melbourne cable tramway system, Meldrim Trestle Disaster, Melksham railway station, Melody Garden (KCR), Melrose (Metro-North station), Melrose Park (Metra), Melville E. Ingalls, Memphis and Charleston Railroad, Memphis, Clarksville and Louisville Railroad, Mendelssohn-Bartholdy-Park (Berlin U-Bahn), Mendip Rail, Meols Cop railway station, Merced (Amtrak station), Mercer and Somerset Railway, Merchants Despatch, Meridian Southern Railway, Merion (SEPTA station), Merritt 7 (Metro-North station), Mersey Railway, Merseyrail, Messe (Nuremberg U-Bahn), Messestadt-Ost (Munich U-Bahn), Messestadt-West (Munich U-Bahn), Metra, Metra Electric Line, Metre gauge, Metro, Metro Center (Washington Metro), Metro Chapultepec, Metro Insurgentes, Metro Juanacatlán, Metro Light Rail, Metro Observatorio, Metro station, Metro Tacubaya, Metro Transit Police Department, Metro Transport, Metroliner, Metrolink (Southern California), Metrolink 91 Line, Metrolink Antelope Valley Line, Metrolink Orange County Line, Metrolink San Bernardino Line, Metrolink Ventura County Line, Metro-North Railroad, Metropark (NJT station), Metropolitan and Metropolitan District Railways, Metropolitan Area Express (Portland, Oregon), Metropolitan Atlanta Rapid Transit Authority, Metropolitan Intercity Railway Company, Metropolitan Transportation Authority (New York), Metropolitan View, Metropolitano, Metrorail (South Africa), Mexborough & Swinton Tramway, Mexico City Metro, Mexico North Western Railway, Mezhdunarodnaya, Miami Airport (Tri-Rail station), Miami Avenue (Metromover station), Miami Central Station, Miami Valley Narrow Gauge Railway Company, Miami Valley Railway, Miami-Dade Transit, Michaelibad (Munich U-Bahn), Micheline, Michigan Air-Line Railroad, Michigan Central Railroad, Michigan Central Railway Tunnel, Michigan Services, Mid Hants Railway, Mid Norfolk Railway, Mid Wales Railway, Mid-Continent Railway Museum, Middleborough/Lakeville Line, MiddlePeak Railways, Middleton Junction and Oldham Branch Railway, Middleton Railway, Middletown (Amtrak station), Middletown and Cincinnati Railroad, Middletown and New Jersey Railway, Middletown-Town of Wallkill (Metro-North station), Midland and Great Northern Joint Railway, Midland and South Western Junction Railway, Midland Counties Railway, Midland Counties Railway Locomotives, Midland Great Western Railway, Midland Mainline, Midland Metro, Midland Pacific Railway, Midland Railway, Midland Railway (Kansas), Midland Railway Butterley, Midland Railway Centre, Midland Railway of Canada, Midland Railway of Western Australia, Midland Terminal Railway, Midland Valley Railroad, Mid-Norfolk Railway, Midosuji Line (Osaka), Mid-Suffolk Light Railway, Midtown (MARTA station), Midway (Amtrak station), Midwest Hiawatha, Midwest Regional Rail Initiative, Mierendorffplatz (Berlin U-Bahn), Mikado Locomotive No. 4501, Mike Haverty, Milan Central Station, Milan Transportation System, Milbertshofen (Munich U-Bahn), Milford (Metro-North station), Millennium Station, Millennium train, Millstone and New Brunswick Railroad, Milton (GO Transit), Milwaukee and Mississippi Railroad, Milwaukee District/North Line, Milwaukee District/West Line, Milwaukee Road, Milwaukee Road 261, Milwaukee Road class A, Milwaukee Road class EP-1, EF-1, EF-2, EF-3, and EF-5, Milwaukee Road class EP-2, Milwaukee Road class EP-3, Milwaukee Road class ES-1, Milwaukee Road class ES-2, Milwaukee Road class F6, Milwaukee Road class F6a, Milwaukee Road class F7, Minehead railway station, Ming Kum (KCR), Minimum gauge railway, Ministry of Railways, Minneapolis and St. Louis Railway, Minneapolis, Northfield and Southern Railway, Minneapolis, St. Paul and Sault Ste. Marie Railway, Minnesota Ave (Washington Metro), Minnesota Commercial Railway, Minnesota Northern Railroad, Minnesota Prairie Line, Minnesota Streetcar Museum, Minnesota Transportation Museum, Minnesotan (passenger train), Minsk Metro, Minsk Terminal, Miss Nelly Bly Special, Mission Park (MBTA station), Mississauga train derailment of 1979, Mississippi Central Railroad, Mississippi Tennessee Railroad, Mississippian Railway, Missouri and Northern Arkansas Railroad, Missouri Pacific, Missouri Pacific Railroad, Missouri-Kansas-Texas Railroad, Mitaka Station, MK5000C, M-K-T, MLW RS-10, MLW RS-3, MLW RSC-14, MLW RSC-24, Hyderabad Multi-Modal Transport System, Mobile and Ohio Railroad, Möckernbrücke (Berlin U-Bahn), Model Railroader, Modesto and Empire Traction, Moffat Tunnel, Mohave and Milltown Railway, Mohawk and Hudson Railroad, Mohrenstraße (Berlin U-Bahn), Mojiko Station, Molodyozhnaya, Mong Kok (KCR), Monon Railroad, Monongahela Connecting Railroad, Monongahela Railway, Monorail, Monorails in Japan, Monson Railroad, Mont Alto Rail Road, Mont Blanc Tramway, Montafonerbahn, Montague Street Tunnel, Montana Rail Link, Montana RailLink, Montauk Branch, Monte Generoso Railway, Montenvers Railway, Montgomery and West Point Railroad, Monticello and Georgia Railroad, Monticello Railway Museum, Montour Railroad, Montreal Locomotive Works, Montreal Metro, Montreal, Maine and Atlantic Railway, Montrealer (Amtrak), Montreux-Oberland Bernois, Montrose (Metro-North station), Moorgate station, Moorgate tube crash, Moosfeld (Munich U-Bahn), Morayshire Railway, Morgan Boulevard (Washington Metro), Moritzplatz (Berlin U-Bahn), Morpeth rail crash, Morpeth rail crashes, Morris and Essex Railroad, Morris Heights (Metro-North station), Morris Ketchum, Morristown and Erie Railway, Moscow Metro, Moscow Monorail Transit System, Moscow, Camden and San Augustine Railroad, Moseley Railway Trust, Mosholu Parkway (IRT Jerome Avenue Line), Moskovskaya Line, Motherwell TMD, Motorail, Mound City and Eastern Railway, Mount Airy (SEPTA station), Mount Gretna Narrow Gauge Railway, Mount Hood Railroad, Mount Joy (Amtrak station), Mount Kisco (Metro-North station), Mount Lowe Railway, Mount Macdonald Tunnel, Mount Pleasant (GO Station), Mount Pleasant (Metro-North station), Mount Vernon East (Metro-North station), Mount Vernon West (Metro-North station), Mount Washington Cog Railway, Mountain railway, Mountain railways of India, MPI MP36PH-3C, MPI MPxpress, MPI MPXpress, MR electric units, Mt Vernon Sq/7th St-Convention Center (Washington Metro), MTR, MTR Properties, M-Train, Muggenhof (Nuremberg U-Bahn), Mules (Amtrak), Multiple unit, Multiple-unit train control, Mumbai Central, Mumbai Metro, Mumbai Rail Vikas Corporation, Mumbai Suburban Railway, München Hauptbahnhof, München Ost railway station, München-Pasing railway station, Munich S-Bahn, Munich U-Bahn, Mure railway, Murphy Branch, Murray Hill (LIRR station), Murray Hill Tunnel, Musashi Itsukaichi Station, Musashi-Sakai Station, Musée Français du Chemin de Fer, Museum of Fine Arts (MBTA station), Mussel Slough Tragedy, Muswell Hill Railway, Muzha Line (TRTS), Myogadani Station, Myrtle-Wyckoff Avenues (New York City Subway),