NTSB to Release Long-Awaited Tire Safety Recommendations

In February 2014, there were two tragic, fatal, and high-profile tire crashes on U.S. highways that might very well constitute a tipping point for tire safety.

One involved an 11-year-old Michelin Cross Terrain tread separation on a 2004 Kia Sorrento that led to a crash into a school bus carrying 34 members of a Louisiana high school baseball team in Centerville, La. Four of the Kia occupants died, and the fifth was severely injured. Thirty of the bus passengers suffered injuries.

It’s Tire Safety Week! Is There Anything to Celebrate?

In April, materials scientist John Baldwin bluntly schooled insiders at the annual Tire Industry Conference about things the rubber industry has known for decades from its own internal research. He pointed out that relying on tire tread depth to determine the viability of a tire is a bit of a crapshoot:

“In the tire industry, a lot of decisions are based on tread depth,” he said. “But what is the significance of tread depth? There is uneven wear on damn near every tire.”

He took note of the unsafe practice of rotating unused, but old spares onto vehicles:

“The average full-sized spare tire is nine years old,” he said. “You can tell your tire store to take that perfectly good spare tire and put it on your car. But if you’re in Yuma or Miami, do you really want that nine-year-old spare going on? “Meanwhile, the average mini-spare is 12 years old. That means you’re screwed.”

And he took exception to what he calls the Rubber Manufacturers Association’s (RMA) mischaracterization of his tire aging research for Ford Motor Company.

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