Oversees the development and maintenance of the city’s infrastructure. The infrastructure includes the Mansfield Lahm Airport, street resurfacing, water distribution lines, sanitary and storm sewer collection systems, water and wastewater treatment facilities, and traffic signalization. The department manages approximately $10 to 13 million of capital improvements within the city each year.

Maintains urban planning, engineering transportation and other statistical information concerning Cuyahoga, Geauga, Lake, Lorain, and Medina counties. Provides access to reports mainly dealing with transportation and environmental issues (limited to water quality of navigable rivers, streams, and creeks and transportation related air quality) as well as other government planning documents, census reports, environmental impact studies, and other related materials.