What is the minimum speed limit in the right lane(s) on interstates in Tennessee?

The minimum speed limit in the right lane(s) on interstates in Tennessee is 45 miles per hour. This regulation is set to ensure a safe flow of traffic on highways, accommodating both slower and faster-moving vehicles. The establishment of a minimum speed limit helps prevent congestion and reduces the risk of accidents caused by significantly slower vehicles on fast-moving roadways. By requiring motorists to maintain this minimum speed, Tennessee aims to enhance the safety of all drivers while promoting efficient travel times for everyone using the interstate.