Actually, I use the "double-click the red button" to prevent crashes in the first place ;)
When testing a coaster for the first time, watch it carefully. If at any point you see a rollback, double click the red button IMMEDIATELY, to reset the ride. This will prevent the following train from crashing into the lead train, if you're quick enough. Then you can reprofile the ride and test again, without the coaster having ever crashed and scaring off the peeps.
Similarly, I watch the status messages closely while running the game, and if I ever see a "Station Brake Failure" message, I IMMEDIATELY reset that ride before a crash occurs.
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--Greg
http://www.pobox.com/~gregleg/