article: List of busiest Amtrak stations
links: District of Columbia Portland, Oregon Boston New Jersey New York (state) Seattle 30th Street Station Wilmington, Delaware Rhode Island Chicago Harrisburg, Pennsylvania Illinois Pennsylvania Trenton, New Jersey Washington (U.S. state) Amtrak United States Newark, New Jersey Milwaukee San Diego Davis, California Union Station (Chicago) Pennsylvania Station (New York City) New Haven, Connecticut Delaware Washington, D.C. Lancaster, Pennsylvania Providence, Rhode Island Oregon Emeryville, California Los Angeles Sacramento, California Irvine, California Rensselaer, New York Baltimore Wisconsin Massachusetts Maryland California New York City Philadelphia Connecticut