Design and Operation of Work Zone Strategies to Improve Large Truck Safety

This document summarizes available methods for transportation agencies and road contractors to design and operate work zones to reduce the risk of large truck crashes. Large trucks include vehicles commonly referred to as commercial motor vehicles, semi-tractor trailers, 18-wheelers, or semis as well as single-unit trucks larger than 10,000 lbs gross vehicle weight. The document includes the significance of large truck safety issues, the overrepresentation of large trucks in work zone crashes, ways to design practices to better accommodate large trucks, and ways to help truck driver better negotiate work zones.