During the month of August Amtrak is offering double points for all rides taken on Acela Express or the Metroliner.
Remember you must pre-register for this offer.
Full details along with the link for registration can be found here.Amtrak Guest Rewards members double your points when you take the Acela Express or Metroliner. Earn points twice as fast on all your August travel when you book online and complete your Acela Express/Metroliner travel in the same month. All city pairs are eligible. Just register here, and we will automatically reward you with double points for your qualifying trips.
Remember you must pre-register for this offer.