Paul Pfanner closes his six-part series on what should come after IndyCar's IR-28. With the sport's audience growing fast on FOX, he argues the next Indy car should be an instrument of human expression, one that lets fans see the driver, for a series ready to upshift to the next gear.

Fifty-one years on the same streets. Paul Pfanner on what Indychella actually revealed — and why the sport that didn't build that audience now has one chance to deserve it.