Upgrading the intersection of Maple Street and Traffic Avenue with a new pedestrian hybrid beacon and improving signalized intersections citywide with the installation of retroreflective backplates to existing traffic signal heads and the replacement of existing traffic signal heads with new ones. Work also includes: installation of traffic signal poles and equipment; existing equipment and material removals; new curb, gutter, sidewalk, and curb ramps; new pavement; pavement markings and signing; temporary erosion and sediment control measures; temporary traffic control; and other related items of work, all in accordance with the attached Contract Plans, these Contract Provisions, and the Standard Specifications.