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      Mental Floss

      TRAFFIC

      Kalanianaole Highway hugs the coast near Honolulu, Hawaii.

      The 10 Best and Worst States for Drivers in 2023

      If your commute is a nightmare, blame where you live.

      Michele Debczak

      The Reason USPS Mail Trucks Have Right-Sided Steering Wheels

      Right-sided steering wheels on USPS trucks make delivering mail easier, but they also present safety concerns.

      Michele Debczak

      These prices are quite steep.

      Why Do Trucks Use Diesel Fuel Instead of Gasoline?

      Fasten your seatbelts—this gas-vs.-diesel answer involves compression ratios, spark plugs, and torque vs. horsepower.

      Ellen Gutoskey



      More "semi" than meets the eye.

      Why Is It Called a 'Semi Truck'?

      The names ‘18-wheeler,’ ‘big rig,’ and ‘tractor-trailer’ aptly convey the size and scope of the vehicle. ‘Semi’ seems a little misleading. What gives?

      Ellen Gutoskey


      The spikes in action.

      Why Do Semi Trucks Have Spikes On Their Wheels?

      Semi trucks’ tire spikes mainly protect the wheels’ lug nuts. They also offer drivers a chance to give their trucks a bit of personality.

      Ellen Gutoskey


      "You have a terrible day, sir."

      Traffic Citation vs. Ticket: What's the Difference?

      Getting a traffic ticket can be an expensive mistake. But is there a difference between a ticket and a citation? And what about a warning?

      Jake Rossen


      Rush hour on Paris's Avenue des Champs-Elysees.

      The World's 20 Worst Cities for Rush Hour Traffic

      If you think your city is the worst when it comes to gridlock, maybe you're right. Check out the 20 worst offenders of rush hour traffic.

      Jake Rossen
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