Q: Are there any requirements for the use and/or placement of signage to warn drivers when construction affects the flow of traffic? Who is responsible for setting up the signs?
A: Oh yes, there are requirements. Pages and pages of requirements. The Manual on Uniform Traffic Control Devices (MUTCD), which Washington has adopted as its rule book for signs, signals, road markings has nearly 200 pages devoted to what it calls Temporary Traffic Control (TTC). That’s the official term for signs used during construction or other scenarios that require a short-term change in traffic patterns, such as a crash that blocks traffic or a truckload of salmon that spills onto the highway. Continue reading “Navigating Through Construction Zone Signs”