American Automobile Association (AAA) Members & Immediate Family Save 10% on Adult Rates. Up to 2 children 2-12 may accompany each adult member for half the AAA member rail fare. Exclusions apply. Exclusions: The AAA discount is not valid on weekday Acela Express trains. The AAA discount does not apply to Business class, First class or sleeping accommodation. The AAA discount is not valid for travel on certain Amtrak Thruway connecting services. The AAA discount is not valid on the Canadian portion of services operated jointly by Amtrak and VIA Rail Canada to Ontario.