The St. Charles County Government is seeking bids for the St. Charles County Countywide ATSPM Project, which includes traffic signal improvements, controller replacements, and high-resolution data logging configurations for Automated Traffic Signal Performance Measures. The project aims to improve the efficiency and safety of traffic signals in the county. The contractor will be responsible for completing the work outlined in the contract documents, including the Missouri Standard Specifications for Highway Construction and the General Requirements and Job Special Provisions. The contract will be awarded to the lowest responsive, responsible bidder. • The project includes traffic signal improvements, controller replacements, and high-resolution data logging configurations. • The contractor must comply with the Missouri Standard Specifications for Highway Construction and the General Requirements and Job Special Provisions. • The contract will be awarded to the lowest responsive, responsible bidder. • The contractor must provide a 5% bid security and a performance bond. • The project is exempt from Missouri sales and use tax. • The contractor must comply with the Buy America provisions and the Davis-Bacon Act.