| Region
|
State
|
System
|
Authority
|
Type (FTA)
|
| Albuquerque
|
New Mexico
|
Rail Runner Express
|
Mid-Region Council of Governments
|
Commuter rail
|
| Atlanta
|
Georgia
|
MARTA rail
|
MARTA
|
Heavy rail[1]
|
| Atlanta Streetcar
|
Streetcar
|
| Austin
|
Texas
|
Capital MetroRail
|
CapMetro
|
Commuter rail[1]
|
| Baltimore
|
Maryland
|
Metro SubwayLink
|
Maryland Transit Administration
|
Heavy rail[1]
|
| Light RailLink
|
Light rail[1]
|
| Boston area
|
Massachusetts, Rhode Island
|
MBTA Commuter Rail
|
MBTA
|
Commuter rail[2]
|
| Boston
|
Massachusetts
|
MBTA subway
|
Heavy rail[2]
|
| Light rail[2]
|
| Heritage light rail
|
| Buffalo
|
New York
|
Metro Rail
|
NFTA
|
Light rail[1]
|
| Camden and Trenton
|
New Jersey
|
River Line
|
New Jersey Transit
|
Tram-train
|
| Charlotte
|
North Carolina
|
LYNX Rapid Transit Services
|
Charlotte Area Transit System
|
Light rail[1]
|
| Streetcar
|
| Chicago
|
Illinois, Indiana
|
South Shore Line
|
NICTD
|
Commuter rail[3]
|
| Illinois
|
The "L"
|
Chicago Transit Authority
|
Heavy rail[1]
|
| Airport Transit System
|
Chicago Airport Authority
|
VAL
|
| Illinois, Wisconsin
|
Metra
|
Northeast Illinois RCRC
|
Commuter rail[1]
|
| Cincinnati
|
Ohio
|
Connector
|
SORTA (operation contracted to Transdev)
|
Streetcar
|
| Cleveland
|
RTA Rapid Transit
|
GCRTA
|
Heavy rail[1]
|
| Light rail
|
| Dallas–Fort Worth
|
Texas
|
Trinity Railway Express
|
Dallas Area Rapid Transit
|
Commuter rail[1]
|
| Trinity Metro
|
| DART light rail
|
Dallas Area Rapid Transit
|
Light rail[1]
|
| Dallas Streetcar
|
City of Dallas (operation contracted to DART)
|
Streetcar
|
| M-Line Trolley
|
McKinney Avenue Transit Authority
|
Heritage streetcar[1]
|
| Skylink
|
Dallas/Fort Worth International Airport
|
People mover
|
| A-Train
|
DCTA
|
Commuter rail
|
| TEXRail
|
Trinity Metro
|
| Denver
|
Colorado
|
RTD Rail
|
Regional Transportation District
|
Commuter Rail[1]
|
| Light rail[1]
|
| Detroit
|
Michigan
|
QLine
|
M-1 Rail
|
Streetcar
|
| Detroit People Mover
|
Detroit Transportation Corporation
|
Automated people mover[1]
|
| El Paso
|
Texas
|
El Paso Streetcar
|
Sun Metro
|
Heritage streetcar
|
| Galveston
|
Texas
|
Galveston Island Trolley[4]
|
Island Transit[5]
|
Heritage streetcar[4]
|
| Hartford
|
Connecticut
|
Hartford Line
|
Connecticut Department of Transportation
|
Commuter rail
|
| Honolulu
|
Hawaii
|
Skyline
|
Honolulu Department of Transportation Services[6]
|
Light metro[7][8][9]
|
| Houston
|
Texas
|
METRORail
|
Metropolitan Transit Authority of Harris County
|
Light rail[1]
|
| Jacksonville
|
Florida
|
Skyway
|
Jacksonville Transportation Authority
|
Automated people mover[10]
|
| Jersey City/Hudson County
|
New Jersey
|
Hudson–Bergen Light Rail
|
New Jersey Transit
|
Light rail[1]
|
| Kansas City
|
Missouri
|
KC Streetcar
|
Kansas City Streetcar Authority (operation contracted to Herzog Transit Services)
|
Streetcar
|
| Kenosha
|
Wisconsin
|
Kenosha Streetcars
|
Kenosha Transit
|
| Las Vegas
|
Nevada
|
Las Vegas Monorail
|
Las Vegas Monorail Company
|
Monorail
|
| Little Rock
|
Arkansas
|
Metro Streetcar
|
Rock Region Metro
|
Heritage streetcar[1]
|
| Los Angeles
|
California
|
Metro Rail
|
LACMTA
|
Heavy rail[1]
|
| Metro Rail
|
LACMTA
|
Light rail[1]
|
| Memphis
|
Tennessee
|
MATA Trolley
|
Memphis Area Transit Authority
|
Heritage streetcar
|
| Miami
|
Florida
|
Tri-Rail
|
SFRTA
|
Commuter rail
|
| Metrorail
|
Miami-Dade Transit
|
Heavy rail[1]
|
| Metromover
|
Automated guideway transit[1]
|
| Milwaukee
|
Wisconsin
|
The Hop
|
City of Milwaukee (operation contracted to Transdev)
|
Streetcar
|
| Minneapolis–Saint Paul
|
Minnesota
|
Metro
|
Metro Transit
|
Light rail[1]
|
| Northstar Line
|
Commuter rail[1]
|
| Morgantown
|
West Virginia
|
Morgantown Personal Rapid Transit
|
West Virginia University
|
People mover
|
| Nashville
|
Tennessee
|
WeGo Star
|
Regional Transportation Authority
|
Commuter rail[1]
|
| New Haven
|
Connecticut
|
Shore Line East
|
Connecticut Department of Transportation
|
| New Orleans
|
Louisiana
|
New Orleans Streetcars
|
New Orleans RTA
|
Heritage streetcar[1]
|
| New York
|
New York
|
Long Island Rail Road
|
Metropolitan Transportation Authority
|
Commuter rail
|
| New York, Connecticut
|
Metro-North Railroad
|
| New York
|
New York City Subway
|
Heavy rail[1]
|
| Staten Island Railway
|
SIRTOA
|
| New York, New Jersey
|
PATH
|
PANYNJ
|
| New York
|
AirTrain JFK
|
PANYNJ
|
Automated light rail[1]
|
| New York, New Jersey, Pennsylvania
|
NJ Transit Rail Operations
|
New Jersey Transit
|
Commuter rail
|
| Newark
|
New Jersey
|
Newark Light Rail
|
Light rail[1]
|
| AirTrain Newark
|
PANYNJ
|
Monorail
|
| Norfolk
|
Virginia
|
The Tide
|
Hampton Roads Transit
|
Light rail
|
| Oakland
|
California
|
Oakland Airport Connector
|
Bay Area Rapid Transit District
|
Automated guideway transit
|
| Oceanside
|
California
|
Sprinter
|
North County Transit District
|
Diesel light rail[11]
|
| Oklahoma City
|
Oklahoma
|
Oklahoma City Streetcar
|
City of Oklahoma City (operation contracted to Herzog Transit Services)
|
Streetcar
|
| Orlando Metro Area
|
Florida
|
SunRail
|
Central Florida
|
Commuter rail
|
| Philadelphia
|
Pennsylvania, New Jersey
|
PATCO Speedline
|
PATCO
|
Heavy rail
|
| Pennsylvania, New Jersey, Delaware
|
SEPTA Regional Rail
|
SEPTA
|
Commuter rail[12]
|
| Pennsylvania
|
SEPTA Metro
|
Heavy rail[12]
|
| Light rail[1][12]
|
| Heritage streetcar
|
| Phoenix metro area
|
Arizona
|
Valley Metro Rail
|
Valley Metro
|
Light rail
|
| Tempe Streetcar
|
Streetcar
|
| PHX Sky Train
|
City of Phoenix
|
People mover
|
| Pittsburgh
|
Pennsylvania
|
The T
|
Pittsburgh Regional Transit
|
Light rail[1]
|
| Portland metro area
|
Oregon
|
WES Commuter Rail
|
TriMet
|
Commuter rail
|
| Portland
|
MAX
|
Light rail[1]
|
| Portland Streetcar
|
Portland Streetcar, Inc.
|
Streetcar[1]
|
| Sacramento
|
California
|
SacRT light rail
|
Sacramento Regional Transit District
|
Light rail[1]
|
| St. Louis
|
Missouri, Illinois
|
MetroLink
|
Bi-State Development Agency
|
| Missouri
|
Loop Trolley
|
Heritage streetcar
|
| Salt Lake City metro area
|
Utah
|
FrontRunner
|
Utah Transit Authority
|
Commuter rail
|
| Streetcar
|
Streetcar
|
| TRAX
|
Light rail
|
| San Bernardino
|
California
|
Arrow
|
Southern California Regional Rail Authority
|
Commuter rail
|
| San Diego
|
California
|
Coaster
|
North County Transit District
|
Commuter rail
|
| San Diego Trolley
|
San Diego MTS
|
Light rail[1]
|
| San Diego Trolley (Silver Line)
|
Heritage streetcar
|
| San Francisco Bay Area
|
Bay Area Rapid Transit
|
Bay Area Rapid Transit District
|
Heavy rail[1]
|
| Diesel light rail
|
| San Francisco
|
Muni Metro
|
San Francisco MTA
|
Light rail[13]
|
| Muni heritage streetcars (E & F)
|
Heritage streetcar[13]
|
| Cable car system
|
Heritage cable car[13]
|
| San Francisco[a]
|
AirTrain
|
San Francisco International Airport
|
People mover
|
| San Jose
|
Altamont Corridor Express
|
San Joaquin Regional Rail Commission
|
Commuter rail[1]
|
| VTA light rail
|
Santa Clara VTA
|
Light rail[13]
|
| Caltrain
|
Peninsula Corridor Joint Powers Board
|
Commuter rail[13]
|
| San Juan
|
Puerto Rico
|
Tren Urbano
|
DTOP
|
Heavy rail[1]
|
| Seattle/Tacoma
|
Washington
|
Sounder
|
Sound Transit
|
Commuter rail[1]
|
| Seattle
|
Link light rail
|
Sound Transit (operation contracted to King County Metro)
|
Light rail
|
| Seattle Center Monorail
|
City of Seattle
|
Monorail
|
| Seattle Streetcar
|
City of Seattle (operation contracted to King County Metro)
|
Streetcar
|
| Sonoma / Marin
|
California
|
Sonoma–Marin Area Rail Transit
|
Sonoma–Marin Area Rail Transit District
|
Commuter rail
|
| Southern California
|
Metrolink
|
Southern California Regional Rail Authority
|
| Tacoma
|
Washington
|
Link light rail
|
Sound Transit
|
Light rail[1]
|
| Tampa
|
Florida
|
TECO Line Streetcar
|
Hillsborough Area Regional Transit Authority
|
Heritage streetcar[1]
|
| Tucson
|
Arizona
|
Sun Link
|
City of Tucson (operation contracted to RATP)
|
Streetcar
|
| Washington, D.C.
|
DC, Maryland, West Virginia
|
MARC Train
|
Maryland Transit Administration
|
Commuter rail
|
| DC, Virginia
|
Virginia Railway Express
|
Virginia Railway Express
|
Commuter rail
|
| DC, Maryland, Virginia
|
Metrorail
|
WMATA
|
Heavy rail[1]
|
| DC
|
DC Streetcar
|
DDOT (operation contracted to RATP)
|
Streetcar
|