The IndyCar Series is examining ways to make the sport safer . Dan Wheldon 's and Four spectators taken to hospital following a crash in Dallara . `` Our thoughts remain with everyone affected by ( the ) accident . '' three -time champion Franchitti had surgery on an ankle injury . Safety improvements have been made to IndyCar chassis since Dan Wheldon 's death in 2011 .
The IndyCar Series is examining ways to make the sport safer . Dan Wheldon 's and Four spectators taken to hospital following a crash in Dallara . three -time champion Franchitti had surgery on an ankle injury . Safety improvements have been made to IndyCar chassis since Dan Wheldon 's death in 2011 .