Along two-lane roadways, the default speed limit is during the daytime outside a business or residential district. "Daytime" means a half-hour before sunset and a half-hour after sunrise. At night time and also uncommon on the East Coast, the default speed limit is outside a business or residential district. Through the CBD and residential district, the default speed limit is . Through school zones within , the default speed limit is . Local governments are barred from raising the default speed limits during the day and at night. Rural Interstates are generally posted at but closer to Providence. Divided arterials and freeways other than Interstate are posted no higher than 55 mph. On April 12, 1996, speed limit of 65 mph allowed on rural interstates based on engineering studies. However, the only interstates raised to 65 mph are Interstate 95 from exits 1-9 and Interstate 295.
