The following draft standards were posted on 04/07/12 for public comment:

The Federal Bureau of Investigation (FBI) initiated the formation of the Scientific Working Group for Shoeprint and Tire Tread Evidence (SWGTREAD) to standardize and advance the forensic analysis of shoeprint and tire tread evidence. The first meeting took place in September 2004 in Quantico, VA.
Currently the National Institute of Justice (NIJ) administers and funds SWGTREAD.