I don't have WageWorks but have a transportation benefits credit card from another company and it won't work for Amtrak gift cards, unfortunately. I use Amtrak to commute but not in a regular way so I can't use a monthly pass or 10 trip. I thought it would be a convenient way to pay for trips as they came up but no joy. Instead I buy flexible tickets for random future dates and exchange them as I find out when I'm actually traveling.