| 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 |
CapMetro Rail |
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 ( , , and ) |
Heavy rail[2] |
MBTA subway ( ) |
Light rail[2] |
MBTA subway ( ) |
Heritage light rail |
| Buffalo |
New York |
Metro Rail |
NFTA |
Light rail[1] |
| Camden and Trenton |
New Jersey |
River Line |
NJ Transit |
Tram-train |
| Charlotte |
North Carolina |
Lynx Blue Line |
Charlotte Area Transit System |
Light rail[1] |
| CityLynx Gold Line |
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 |
|
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 rail ( , , , and ) |
Dallas Area Rapid Transit |
Light rail[1] |
DART rail ( ) |
Dallas Area Rapid Transit |
Commuter 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 |
Heritage streetcar |
| 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 ( and ) |
Los Angeles Metro |
Heavy rail[1] |
Metro Rail ( , , , and ) |
Light rail[1] |
| Metrolink |
SCRRA |
Commuter rail |
| 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] |
| 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 |
| New York, New Jersey |
PATH |
PANYNJ |
| New York |
AirTrain JFK |
Automated light rail[1] |
| New York, New Jersey, Pennsylvania |
NJ Transit Rail Operations |
NJ 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 Commission |
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 ( and ) |
Heavy rail[12] |
SEPTA Metro ( and ) |
Light rail[1][12] |
SEPTA Metro ( ) |
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 |
| S Line |
Streetcar |
| TRAX |
Light rail |
| San Bernardino |
California |
Arrow |
Southern California Regional Rail Authority |
Commuter rail |
| San Diego |
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. |
D.C., Maryland, West Virginia |
MARC Train |
Maryland Transit Administration |
Commuter rail |
| D.C., Virginia |
Virginia Railway Express |
Virginia Railway Express |
Commuter rail |
| D.C., Maryland, Virginia |
Metrorail |
WMATA |
Heavy rail[1] |