From the linked-to NPR story:
According to NPR's Sylvia Poggioli, "the El Pais daily quoted investigators saying that the train was traveling at more than twice the speed limit on a sharp curve" when it derailed. "the train was traveling at 190 kilometers per hour [118 mph] as it entered the section of track, which has a speed limit of 80 kph [50 mph], El Pais newspaper reported, citing a radio conversation between the driver and train control staff."
Since the train detractors repeatedly argued that our proposed high speed rail wasn't really "high speed" because it would only go 80 mph, I think that we are supposed to draw the conclusion that the Madison-Milwaukee line plans were well-thought out and very safe. Certainly safer than driving. More comfortable, too. And cheaper, if you figure in the cost of a wrecked car, incapacitation and medical bills. Should you survive long enough to pay them. Your survivors probably would have preferred you take the safe, not exactly high speed train, had it been built
Also, make sure trains are operated by qualified, well-trained engineers who are well rested and familiar with the route. Safety is worth a few extra bucks and the time it takes to negotiate acceptable work rules through a union. Not at all like that libertarian free-for-all speed brawl out on our nation's road and highways.