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Why Do Some Countries Have People Drive on the Left and Others on the Right?

September 12, 2019
by
Today I Found Out
YouTube video player
Why Do Some Countries Have People Drive on the Left and Others on the Right?

TL;DR

Different countries drive on different sides of the road due to historical, practical, and cultural reasons.

Transcript

so walk into the brain food show I'm Ronnie host Simon that over there joined with me today as always is daven after many technical difficulties this morning we are reporting live but better visuals because we're using nicer cameras now you are using nicer cameras they didn't get mine to work because my new our gas a bit of technology this was my o... Read More

Key Insights

  • 🪛 The choice of driving side has historical and practical origins, such as horseback riding and wagon driving preferences.
  • 📏 The United States switched to the "keep right" rule in the late 18th century, while most European countries had already adopted this rule due to Napoleon's conquests.
  • 🗯️ Sweden decided to switch from left to right in 1967, despite initial public resistance. The switch was relatively smooth but costly.
  • ↔️ Driving on the right or left side does not significantly affect accident rates, but slight advantages exist for each side.

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Questions & Answers

Q: Why do some countries drive on the right and others on the left?

The choice of driving side is influenced by historical factors, dominant hand preference, and practical considerations related to horseback riding and wagon driving.

Q: When did the switch from left to right or vice versa happen?

The United States switched from the "keep left" rule to the "keep right" rule in the late 18th century. Sweden switched from left to right in 1967.

Q: How did Sweden prepare for the switch from left to right?

Sweden deployed volunteers, government officials, and workers to assist with the switch. They covered signs, changed road lines, and sent out letters to notify the public.

Q: Did the switch from left to right lead to more accidents in Sweden?

Surprisingly, the accident rate initially decreased after the switch, as people were more cautious. However, the accident rate eventually returned to normal levels.

Summary & Key Takeaways

  • The ancient Egyptians, Greeks, and Romans drove on the left side of the road, establishing the "keep left" rule.

  • The Circus Maximus, a massive stadium in Rome, could seat about 250,000 people, making it four to five times larger than the Colosseum.

  • The Colosseum was built using resources plundered from Jerusalem, including captured Jewish slaves.


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