This report presents a comprehensive review of the current state of knowledge regarding the use and effects of studded tires. Information is presented on all facets of the studded tire-pavement system. An effort is made to present all of the known facts about studded tires, and to point out the areas of inadequate or missing information. A few conclusions are offered where adequate support seems to make this justified.  This report is out of print .  A photocopy can be ordered at URL: https://onlinepubs.trb.org/onlinepubs/out_of_print.htm