Drivers turn their attention from the buildings to the bumps while testing out DC's IndyCar track‎

Now, IndyCar drivers can finally evaluate the actual track. The 1.7-mile street course in downtown Washington was an unknown commodity, set up for the first — and possibly the last — time for this event celebrating the country's 250th birthday. “We got quite a bit of bumps on the exit of Turn 1, quite a bit of bumps going into 2, the straightaway,” said Pato O'Ward, who won last month at Mid-Ohio.