In Middletown, Connecticut, specific streets with designated speed limits include Main Street, Washington Street, and South Main Street, ranging from 25 to 40 mph. Main roads like Route 66 and Route 17 have speed limits of 40 to 45 mph, while highways like Interstate 91 and Route 9 allow for 55 mph. School zones, near Lawrence School and Spencer Elementary School, have reduced speed limits of 20 to 25 mph during school hours. When using Middletown car rentals, always obey these named streets' speed limits for safe and responsible driving. Search car hire on KAYAK