This popped up earlier this week:
Track Work Affects Lake Shore Limited Trains 448 and 449
Effective June 16 - August 5, 2018
Track work being performed by Keolis/Massachusetts Bay Transportation Authority will affect Trains 448 and 449 between Albany and Boston, as follows:Customers who are traveling to Pittsfield, Springfield, Worcester and Boston (South Station) will get off the train at Albany on the dates above. At Albany, bus service will be provided to and from all stations listed above. No alternate transportation will be provided for missed stop of Framingham. Passengers traveling to Back Bay will be bussed to Boston and then may take an MBTA or Amtrak commuter train between Boston and Back Bay.
Train 448 Albany - Boston Service: June 15 - 16, July 27 - 28, August 3-4
Train 449 Boston - Albany Service: June 16 - 17, July 28 - 29, August 4 - 5
Train 449 will not operate between Boston (South Station) and Albany on the dates above. Passengers boarding at Boston (South Station), Worcester, Springfield and Pittsfield will be provided bus service to Albany. No alternate transportation will be provided for missed stops at Back Bay and Framingham. Passengers traveling from Back Bay will have the option of boarding at Boston or traveling on alternate dates.Passengers at Boston South Station should go to the Amtrak Information Desk for instructions on boarding the buses.
Boston (South Station) and Worcester
Passengers at Worcester will board the bus at the main entrance in front of the station. Boarding will not occur at the Bus Terminal.