Originally Posted by
wcj1
Has the rule changed? It is now 2019 and the Amtrak website says:
United Club Members with a valid United Club Card are entitled to access ClubAcela and Metropolitan Lounge locations, and may bring in two guests or their spouses and children under the age of 21
https://www.amtrak.com/station-lounges
Yes. A few months ago, the BOS Club Acela was rebranded as a Metropolitan Lounge, and the United Club Card is valid for entry there.