Why some fatal car crashes take so long to clear

AUSTIN (KXAN) — On Tuesday, a fatal crash involving a pedestrian that killed one person caused a long closure on Interstate 35 during many people's morning commutes.The road was closed for several hours for the Texas Department of Public Safety to investigate the crash. DPS Sgt. Deon Cockrell said the amount of time needed to investigate a crash depends on the size of the crash, location and availability of a crash reconstruction team. MAP: Where have Austin’s homicides occurred in 2