Technical communications for transportation professionals

MnDOT: Sign-Life Cycle Policies and Practices

Sign Life-Cycle Policies and Practices
Client: Minnesota DOT and Minnesota Local Road Research Board (LRRB)
Audience: MnDOT managers and staff

In this Transportation Research Synthesis, CTC & Associates helped the Minnesota Local Road Research Board in understanding the state of the practice regarding traffic sign colors, life cycles and management, specifically whether signs are selected for replacement based on a specific age or characteristics such as color fade, reduced retroreflectivity levels and loss of fluorescence.