Episode of the day: “H-Day”

Listen to “H-Day” (18:53)

Podcast: 99% Invisible (Episode 215)

Left-hand traffic vs right-hand traffic. Why and how to organize a whole country to switch from driving on the left side of the road to the right side… and vice-versa.

More information:

Dagen H on Wikipedia

Left and right-driving countries

H-day. (Image: from 99percentinvisible.org)