WASHINGTON — The U.S. Department of Transportation issued 19 new DOT plant identification codes in the past year for tire factories worldwide, including 14 in China and two each in India and Serbia.

WASHINGTON (Feb. 15, 2017) — The U.S. Department of Transportation issued 22 new DOT plant identification codes in the past year for tire factories worldwide, including 14 for plants in China. Tire ...

Codes for factories in Cambodia, China, India, Sri Lanka among the 27 new U.S. Department of Transportation tire plant identification codes issued in the past year.

The DOT code printed on a tire -- this one showing a tire produced in the 18th week of 2014. It contains a ton of information -- including the age of the tire.

Look for the DOT code (Department of Transportation), which acts like the tire's ID. This code includes several numbers and letters, but only the last four digits matter—they show the manufacturing ...

Zebra Technologies' TC75x mobile computer. Anyline Tire DOT Scan software, which identifies where tire was manufactured, tire size and manufacturer's code with week and year tire was made.

Some experts say that date is very important and that tires should not be used after a certain number of years. The last four digits of the DOT code stamp on a tire indicate when it was made.

Zebra, Anyline and Accucode are introducing the industry’s first mobile tire tread depth reader and DOT scanning solution, which will be deployed across all of Discount Tire’s nearly 1,100 stores.

WASHINGTON—The U.S. Department of Transportation issued 19 new DOT plant identification codes in the past year for tire factories worldwide, including 14 in China and two each in India and Serbia. Ten ...