Stewart ran over the dirt track driver during an August race, killing the 20-year-old
Driver could face charges after his car hit and killed Kevin Ward Jr.
Stewart hasn't raced since striking and killing fellow driver Kevin Ward Jr. on August 9
Veteran driver Jeff Burton will pilot the No. 14 car instead
NASCAR star struck and killed 20-year-old Kevin Ward Jr. on Saturday, police say
Sheriff's officials are seeking more witnesses and reconstructing the racetrack as they investigate the death of Kevin Ward Jr.
Stewart withdrew from Sunday's race after a crash hours earlier claimed the life of 20-year-old Kevin Ward Jr. on a track in upstate New York