A snowplow cleared snow and slush in Ambler, Pa., in October 2011.
A snowplow cleared snow and slush in Ambler, Pa., in October 2011. Ron Tarver Philadelphia Inquirer
A snowplow cleared snow and slush in Ambler, Pa., in October 2011. Ron Tarver Philadelphia Inquirer

High-tech tools help clear roads

December 25, 2015 06:45 AM