Hey @admin consider a sticky for this one?

Thought I would share some historic and recent info files on tire safety ... I for one am still here cuz of the "safety" part
So when you folks are bored one day you have something to read ... kept me awake ... 8-)
[ #4 is a good summary ]

1) Tire Pressure Special Study: Tread Depth Analysis - DOT 2001

2) Research Report to Congress on Tire Aging - DOT 2007

3) Rubber Oxidation And Tire Aging - Exponent 2008

4) Tire Aging and Service Life - NTSB 2014

5) Tire Aging:A Summary of NHTSA’s Work - DOT 2014