SD511 provides information on current road and weather conditions, construction projects, traffic incidents, emergencies, and commercial vehicle restrictions for Interstate, US, and state highways in South Dakota.
Mobile Apps: The same information is available on mobile apps for Android and iOS (Apple) phones and tablets. The apps are free from their respective app stores.
Phone: Dial 5-1-1 from any phone (cellular or landline) in South Dakota to receive up-to-date, location-specific road restriction, conditions, and weather information on any Interstate, US, or state highway in South Dakota and several adjoining states. You may also call 866-MYSD511 (866-697-3511) from anywhere in the United States.