(Moved to its own entry, to give the Pope Bobblehead stuff its own glory.) Here's
Metro's press release detailing preparations for Wednesday's Triple Threat of the Wizards, DC United, and the Nats all in action at the same time. And, because you can never have enough press releases, here's one from the Nats (link to come) explaining that,
when DC United is playing at RFK, Nats Express shuttle parking will be in Lot 7: "Washington Nationals fans choosing to park for free at RFK Stadium and take the Nats Express to Nationals Park may park in Lot 7 on all D.C. United home game dates. RFK Stadium Lot 8 will not be available to Nationals fans on Wednesday, April 9 or any future date in which the Nationals and D.C. United each play at home. Lot 7 may be accessed off the Whitney Young Bridge (East Capitol Street) or off of Oklahoma Avenue. The Nats Express begins ninety minutes prior to Nationals home games."
WTOP asks about whether there will be any patrolling of DC United fans parking free in Lot 7 (apparently not).