The Vail Police Department will be offering free tire tread checks from 11 a.m. to 1 p.m. Saturday, Oct. 29 and again on Saturday, Nov. 5 at the Town of Vail Municipal Building, 75 S. Frontage Road, to help motorists determine if their tires are currently safe for winter driving. If new tires are needed, coupons will be available for discounts from participating tire stores in Eagle, Summit, Garfield and Pitkin counties which are redeemable until March 2016.