Connecting the towns of Laerdal and Aurland in western Norway, the Laerdal Tunnel stretches 24.5 kilometers, making it the longest road tunnel in the world. It features specially designed cave-like rest areas with colored lighting to help drivers stay alert during the roughly 20-minute drive through the mountain.
Record no. MRB-2026-005796
World's Longest Road Tunnel
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.