In 1967 Sweden switched, overnight, from driving on the left to driving on the right, stopping almost all traffic in the entire nation at a set hour so that every car, bus and lorry could cross to the other side of the road at once, in what remains one of the largest coor - Space Daily
Source:Space Daily
A nation held its breath as nearly two million vehicles executed history’s most audacious traffic maneuver: a synchronized five-minute pivot that rewired how an entire country moved.