"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 became the first nation to switch from right-hand to left-hand traffic in over 50 years. The switch was part of a larger effort to reduce traffic accidents and fatalities on the country's roads. The transition was a lengthy process, taking over 18 months to complete and involving extensive public education campaigns and infrastructure changes. The switch was ultimately successful, with Sweden seeing a decrease in traffic fatalities and an increase in road safety.