Don't let any of this happen in the first place. All that stuff you've been taught about checking for proper inflation and looking for damage is true. Think of your tire like a rubber band that you've found sitting on the sidewalk. If it's been out there for a couple of years, like your tire, it will start to crack and lose its elasticity. Tires aren't quite as dramatic, but they do behave similarly. An underinflated tire will cause the rubber to flex excessively. Combine that with reduced elasticity and you've got a blowout waiting to happen.
Aaron Miller is the Rides editor for Supercompressor, and can be found on Twitter. He's destroyed a few tires in his day, but fortunately has never had a highway blowout as a driver.