Illinois Route 19 (abbreviated IL-19, or simply Illinois 19) is a major east–west arterial state highway in northeastern Illinois, United States. It runs from Illinois Route 25 (Liberty St.) in Elgin, to Lake Shore Drive (U.S. Route 41) on the north side of Chicago. Illinois 19 is 33.64 miles (54.14 km) long. For much of its length, it is also known as Irving Park Road and Chicago-Elgin Road. From Wikipedia