Back in March there was considerable discussion here about the Cleveland Park miniature train derailment in Spartanburg, SC. The investigation has now officially found that the cause was excessive speed of the train.
Here is the story:
http://www.goupstate.com/article/201105 ... Park-crash

And here is a listing of the articles that have appeared on the “GoUpstate” web site about the issue: http://www.goupstate.com/section/topic0323