Most noteworthy is the DOT Tire Identification Number (TIN), which contains information like codes for the tire plant, manufacturer, and tire size codes. The TIN could easily be found by locating ...

For instance, the tire seen above has a code of DOT DA08 JM1R 3011, which would indicate a tire manufactured in the 30th week of 2011. DOT R5HG FHR 404 would indicate a tire manufactured in the ...

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.

When I went undercover at a used tire shop on Taylor Boulevard, the person running the shop was aware tires had date codes, but when asked to find the date of one of the tires picked out of the stack, ...

WASHINGTON (Feb. 6)—The U.S. Department of Transportation has issued 37 new DOT tire plant codes—necessary for selling tires in the U.S.—in the past two years to 32 companies. Among the new codes are ...