I spent some time at lunch today giving my car a bunch of TLC. I've noticed this last little while that the tires are slipping a lot, so I suspected that they were pretty much toast. I had a tread test done on them yesterday, and they came back at 4/32s, 5/32s, 5/32s, and 10/32s, the last one being the tire I replaced that blew up on the way to Seattle last year. 2/32s is the legal limit, and 4/32s is where you basically stop having traction in the rain and snow. I might have been able to squeeze another 4 months or so out of these in the summer, but I just decided to bite the bullet and put something ...