When they see me coming, they should just go ahead and shut Test Track down. It would save them a lot of trouble.
The worst day of it, we got on and it stopped partway through in the heat room, but the ride restarted after a minute or two. Then, as the car came outdoors, it started to speed up faster, faster, faster... STOP! We came to a pretty much screeching stop right in the middle of the banked left turn. The burning rubber smell was awful, and we were sitting on the embankment, hoping our seat belts would keep us from sliding down onto strangers (of course, their kids were on the low side of the car, so we didn't want to squish them!). When the CM came out to see what was going on, I asked him if he would take my
AAA card to tow us out of there. He opened up the trunk or the hood, I can't remember which, to reset the computer in the car. After that was done, he walked along with us as we moved sloooooooowly through the embankment and along the rest of the outdoor portion of the ride. I am pretty sure it didn't say 64.8 MPH on the display at that point, but I'm not sure. Anyhow, they unloaded us and walked us back to the front of the line to try again, and they told the other CMs that our car was to be removed from the ride. We got onto a different car, and the whole ride stopped right when we were at the Belgian Blocks. We ended up being escorted off through cast areas and given those "come back through the exit" passes.
That's the only time I was actually evacuated partway through... but I've been on TT when it has broken down numerous times. I always joke that it's me, even though I know TT is really known for it!