Iowa Highway 3 is a state highway located in the northern part of Iowa. It runs approximately 150 miles from the eastern town of Charles City to the western town of Sioux City. The highway serves as a vital route for local traffic and connects several communities along its path. The highway passes through various landscapes, including farmland and small towns, providing access to local businesses and attractions. It intersects with several major roads, enhancing connectivity within the region. Travelers can enjoy scenic views while driving along this important transportation route in Iowa.