R
| Train Name | Railroad | Train Endpoints | Operated |
|---|---|---|---|
| Rainbow Special | Missouri Pacific | Little Rock, Arkansas-Kansas City, Missouri | 1921-1954 |
| Ranger | Santa Fe | Chicago, IL-Kansas City, MO | |
| Raritan Clocker | Central Railroad of New Jersey | Jersey City-Allentown | |
| Rebel | Gulf, Mobile & Northern | New Orleans, Louisiana-Jackson, Tennessee | 1935-1940 |
| Red Arrow | Pennsylvania | New York, New York-Detroit, Michigan | |
| Red River | Great Northern | St. Paul, Minnesota-Grand Forks, North Dakota | 1950- |
| Redwood | Northwestern Pacific | San Rafael, California-Eureka, California | |
| Regional | Amtrak | Boston, Massachusetts-Newport News, Virginia | |
| Resort Special | Pere Marquette | Detroit, Michigan/Chicago, Illinois-Bay View, Michigan | |
| Rio Grande Zephyr | Rio Grande | Denver, Colorado-Salt Lake City, Utah | 1970-1983 |
| Rocky Mountain Rocket | Rock Island | Kansas City, Missouri-Denver, Colorado | 1939-1966 |
| Roger Williams | New York, New Haven and Hartford Railroad | New York, New York-Boston, Massachusetts | |
| Rogue River | Southern Pacific | Portland, Oregon-Ashland, Oregon | 1928?-1952 |
| Royal Blue | Baltimore & Ohio Railroad, Central Railroad of New Jersey, Reading Railroad | Jersey City, New Jersey-Washington, D.C. | 1890-1958 |
| Royal Palm | Southern, Florida East Coast Railway, connections with New York Central Railroad | Cincinnati, Ohio-Miami, Florida | 1920s-1970 |
Read more about this topic: List Of Named Passenger Trains Of The United States (N-R)