This State of the Art report covers maintenance, traffic, safety, environment, roadway damage, vehicle corrosion, structural deterioration and economic analysis. In the maintenance portion, an indepth review of public relations, public opinion, sovereign immunity, procecures, materials and equipment is presented. The economic impact of snow and ice on traffic and safety as related to a traffic volume changes, fuel consumption, tardiness, comfort and convenience is considered. The environmental section is mainly concerned with the effects of deicing salts on the environment. Alternative materials and methods are also reviewed. The consequence of snow and ice removal on pavement paint strips and pavement markers is covered under pavement damage. The problems related to vehicle corrosion and bridge deterioration are examined.