slippery winter road, sidewalk in the park, covered with ice and sprinkled with sand. anti-skid and safety on ice

abrasive abstract against anti antiskid antislip asphalt background calcium chemicals chloride close cold conditions covered deicing dirt earth gray ice icing icy magnesium material mud nature old outdoor park pattern road roadway rough safety salt sand sidewalk slippery snow sodium sprinkled street surface texture track transport travel up wallpaper weather white winter