Amtrak will run on a modified schedule Friday, Jan. 3, due to snow in the Northeast.
Acela Express and Northeast Regional service will operate between Boston and Washington.
Passengers should expect reduced frequencies, especially in New England, Amtrak says.
Corridor services are not affected and are expected to operate a normal schedule.
All overnight lane closures for the Dulles Corridor Metrorail Project have been cancelled due to weather.