Why UPS Trucks Almost Never Turn Left

Summary by Krater

This video explains why UPS trucks avoid making left turns and how routing algorithms balance efficiency with safety. It concludes that left-hand turns take longer, burn more fuel, and are more dangerous than right-hand turns.

From the video

Answers: Why do UPS trucks never turn left?

• UPS delivery truck routing
• Traveling salesperson problem
• Left-hand turn safety and efficiency
• Fleet management and optimization

What it concludes

• UPS drivers avoid making left turns unless absolutely necessary to save fuel and time.
• Left-hand turns take longer than right-hand turns because they require cutting across traffic and idling.
• Left-hand turns are more than three times as likely to kill pedestrians than right-hand turns.
• Avoiding left-hand turns saves UPS 10 million gallons of fuel annually.