There are currently 3 DOT exam locations in Horn Lake all of which see adult and child patients, but none of them are open 7 days a week. If you are willing to drive a bit, you’ll find another 6 urgent care centers within 20 miles of Horn Lake in places like Hornlake, Soythaven, and Southaven. The clinics in this area are independently owned and operated and not known to be part of any networks or brands. Read our DOT and CDL Exams FAQs, visit our DOT and CDL Exams 101 section.