The IndyCar Grand Prix: A $35 Million Question Mark on Washington's National Mall The America 250 celebrations have reached their crescendo in Washington D. C.
with the two day IndyCar Grand Prix making its debut on the National Mall. This event has raised more questions than it has answers about the role of big ticket events in boosting local economies and their costs.
Up to 140,000 spectators are expected to attend over the weekend, along with major corporations sending executives to rub shoulders with President Trump.