Welcome to the City of Sioux City Engineering Division website. The City of Sioux City is committed to providing a safe and efficient transportation network for its residents and traveling public. City staff understands that road construction can have a significant impact on motorists and works hard to minimize traffic delays and congestion.
This site was created to assist our citizens and provide them with knowledge relating to City road construction projects. To gain information regarding current road construction projects, please click on project titles on the right side of this screen.
The City of Sioux City follows the design standards and standard specifications set forth in the 2009 Iowa Statewide Urban Design and Specifications (SUDAS) for Public Improvements, in conjunction with the 2008 Sioux City Supplements to SUDAS.