"Nation that switched from right- to left-hand traffic in 2009" NYT crossword answer is:
SAMOA (5 letters length)The answer for "Nation that switched from right- to left-hand traffic in 2009" crossword clue is listed above to help you solve the puzzle you are currently working on.
In 2009, Sweden made the switch from right-hand traffic to left-hand traffic, becoming the first European nation to do so in over 50 years. The switch was part of a larger effort to improve road safety and reduce the number of traffic accidents. The transition was a success, with Swedish drivers quickly adapting to the new system and no major disruption to traffic. The switch has been credited with reducing the number of traffic fatalities in Sweden by over 20%.