Traffic fatalities within Austin city limits in 2012

motorist 36 pedestrian 24 motorcyclist 14 helmet 8 alcohol 7 hit&run 7 cyclist 4 seatbelt 3

Note that keywords come from simply scanning the APD press releases for certain keywords and therefore may be inaccurate.

The 'motorist' keyword simply means not pedestrian, cyclist or motorcyclist. I'm assuming that if the police don't say otherwise, the deceased was in a car or truck.