An extract of our reference list

Massachusetts Bay Transportation Authority (MBTA)

Chicago Transit Authority (CTA)

Metrorrey (Monterrey, Mexico)

New York City Transit Authority (NYCTA)

Metro-North Railroad

Long Island Rail Road (LIRR)

The Port Authority of New York and New Jersey (PATH)

New Jersey Transit (NJ Transit)

Public Transportation for the Portland, Oregon, Metro Area (TriMet)

Saint Louis Regional Transit

Southeastern Pennsylvania Transportation Authority (SEPTA)

Washington Metropolitan Area Transit Authority (WMATA)