Start your engines: Here is your crash course on the IndyCar Freedom 250 Grand Prix weekend

Teams load in and prepare their cars ahead of the Freedom 250 Grand Prix weekend on the streets of Washington, DC.

The NTT IndyCar Series is about to hold one of its biggest, most ambitious spectacles ever with the Freedom 250 Grand Prix.

If you're an IndyCar fan, then you know how we got to the point where Pennsylvania Avenue has a pit lane and start-finish straight with a picturesque view of the U.S. Capitol.

But if you're not, here's a quick rundown.

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The Freedom 250 Grand Prix weekend has arrived and taken over the streets of Washington, DC. ((Photo by Finn Gomez/Getty Images))

Back in January, President Trump signed an executive order that directed multiple federal agencies to work with the Washington, D.C., mayor's office to put together a circuit for an IndyCar race.

This idea was to make it part of the America 250 celebrations, although oddly enough, the 250-mile race distance wasn't part of the event until just a few weeks before.

Also, when the executive order was signed and the event announcement was made, the IndyCar schedule had been out for quite some time and was only about a month from starting.

Of course, for a once-in-a-lifetime event like this, you make it work.

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The circuit for the Freedom 250 Grand Prix uses streets around the National Mall and in front of the Capitol building, as well as a section of Pennsylvania Avenue.

That portion of Pennsylvania Avenue is also where the pit lane is located.

The layout is fairly simple with just seven corners, but don't equate "simple" with easy.

It's