CPWA would like to thank MAPLE LEAF CONSTRUCTION for sponsorship of this Click, Listen & Learn Session. Please visit - Maple Leaf Construction This program is presented in cooperation with the American Traffic Safety Services Association (ATSSA). Increase the safety of your crews and the public, day and night. Program Details: - setting up, maintaining and dismantling work zone areas; - procedures for employing daytime vs. nighttime operations; - new retro-reflectivity regulations that will impact work zone signage.