Well, there goes my $3.25 fare down the drain -- the back of the ticket states that it will be honored as "a one-zone fare on King County Metro bus services" but the one time I'd tried using it for that purpose in February, the bus driver would not honor it.
I mount the bike and head to the nearest bus stop half a mile away -- the next bus to downtown Seattle leaves in 8 minutes. I could bike the whole way, but it's about a 16-mile ride and I want to get home to my family. On my birthday. The bus comes on time and I speed downtown, then ride home the 6 miles uphill from there.
My recommendation to Sound Transit: put the ticket vending machine on the platform itself rather than under it, so passengers don't have to go out of their way to buy tickets and risk missing the train, especially when it arrives and departs early, as it did last week.