Originally Posted by
AGR Insider
Our contract with United provides access only to the four ClubAcela branded lounges in the Northeast Corridor. The Metropolitan Lounges or other locations are not included.
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