The Roseville Public Works Department is responsible for the construction and maintenance of all city-owned properties, including public buildings, streets, curbs and gutters, water mains, sewer lines, cemeteries, parks and a municipal airport. Additionally, it works to protect and maintain lakes, storm drains and wastewater collection systems within the city of Roseville, Calif. The department also maintains sidewalks, street lights and road signs. Its beautification division focuses on landscaping and planting trees. Its transportation planning division determines specific requirements and technical review for traffic impact studies required for land development projects.