Wall Street Journal, New York, NY, 3/29/18:
Amtrak Ends Chartered and Specialty Train Trips on U.S. Railways
Amtrak is ending the charter services and special trains it operates on its routes—bad news for some train buffs who offer speciality and custom rail trips. For now, however, Amtrak will allow owners of private railcars to hitch them to Amtrak trains on regular routes.