fines are doubled when nighttime speed limits are in effect. Connecticut Speed limits in Connecticut are normally on rural freeways; up to on rural divided and up to on rural undivided highways. In urban areas speed limits vary from on residential streets and central business districts, on arterial roadways, and from on urban freeways. Limited-access divided highways have a minimum speed of , but this is not always posted, and is rarely enforced. Connecticut was among the last states to raise its maximum speed limit from originally established by the National Maximum Speed Law in 1974. The statewide maximum speed limit was increased from to on October 1, 1998, making Connecticut the last state in the continental United States to raise its speed limit above . Speed limits for all roads within Connecticut—including local streets—are established by the State Traffic Commission, an agency composed of members of the Department of Motor Vehicles (CTDMV), the Department of Emergency Services and Public Protection (DESPP), and the Department of Transportation (CONNDOT). The State Traffic Commission typically sets speed limits following engineering studies performed by CONNDOT. Data used in setting speed limits includes traffic volume vs. roadway capacity, design speed, road geometry, the spacing of intersections and/or interchanges, the number of driveways and curb cuts, and accident rates. Municipalities are normally required to seek approval from the State Traffic Commission for changes to the posted speed limits on locally owned streets after appropriate engineering studies are performed. Speeding fines are doubled in school zones when children are present, and construction areas when workers are present. Prior to enactment of the National Speed Limit Law in 1974, Connecticut permitted a maximum speed limit of on rural freeways. On March 26, 2018, contractors started installing new speed limit signs on I-84 between the Waterbury/Cheshire line and the interchange with CT Route 9, increasing the speed limit to . This action follows a DOT study showing the 85th percentile speed of free flowing traffic on this segment averaged . Delaware In Delaware, four roads carry a speed limit: Interstate 95 from the Maryland line to the southern junction with I-495, Interstate 495, US 301, and Delaware Route 1 between the Puncheon Run Connector in Dover and US 13 in Tybouts Corner. Delaware Route 1 between Trap Shooters Road and the Puncheon Run Connector in Dover and between US 13 and the I-95 and Delaware Route 7 interchange,