Construct approximately 5 miles of new 4x2-inch traffic signal quad-duct, complete with splice boxes and branch conduits. Furnish and install new 144-strand single mode fiber-optic (SMFO) backbone cable, 12-strand SMFO branch cables, fiber-optic splice closures, fiber terminations, video detection camera systems, CCTV cameras, new traffic signal control cabinets, and all appurtenant work at 13 signalized intersections, all as indicated on the Approved Plans and Specifications.