Continuing our series “Unseen Sioux City” we are at Sioux City Public Works, where Patrick and the crews are already thinking three steps ahead for winter road safety. Patrick works at the salt and sand facility where every winter storm starts long before the first snowflake hits the ground. They use granulated rock salt to break the bond of ice on the roads and deicing sand to create traction. Every single weather event is different. Temperatures change, moisture levels change, and road conditi