Well Norway just completed the world’s longest cycling and pedestrian tunnel this is according to CNN and listen to this it’s almost 2 miles long and it goes through the base of a mountain it opened in November 22 it has a 3 and 1/2 meter wide bike lane and a 2 and 1 half
Meter wide Lane for Walkers and Runners it also has unique blue rubber flooring like an athletic track and to help people navigate it the tunnel is also has some installations colors and lighting to help it opened to the public in April of 2023 so you can go check it out right now