Getting Around With its scenic byways and beautiful backcountry drives, South Dakota practically invented the great American road trip. Whether you’re traveling east to west or north to south, there are many transportation options available — from RV, van and car rentals to local tour operators. Road Conditions SD511.org In-state: Dial 511 Out-of-state: Dial 1-866-697-3511 For updates on highway construction, visit TravelSouthDakota.com/ Road-Construction . Download our podcast to hear colorful tales from local insiders Welcome Centers South Dakota has six Welcome Centers along I-90 and I-29 where you’ll find knowledgeable travel counselors, maps and brochures, restrooms and free Wi-Fi. Visit TravelSouthDakota.com/Trip-Ideas/ Welcome-Centers for locations and hours. Explore transportation services in South Dakota Iron Mountain Road