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Ah, that explains a lot. So the high speed lines need ABS? Is CTC also acceptable?I see what you mean about the Acela and Talgos. Since starting from basically scratch to comply with FRA requirements is the only way to do it, there are bound to be problems. That's what we've seen with the frame cracks on the Talgos, the Acela brake disc problems, and the early Acela derailments. If Amtrak had used proven technology that was not FRA compliant, there wouldn't have been many teething problems. The new Austin, TX, light rail system is using non-FRA compliant DMUs, capable of 100+ MPH operation (I think it goes up to 110 or something) on a freight line. The freight trains will operate during the night, while the DMUs will operate during the day.Will the new Caltran HSR trains be FRA compliant? If they are, they'll have a lot of teething problems too since they will have to be either designed from scratch or adapted from the Acela.And if new FRA compliant DMUs are used elsewhere in the US, would they be from scratch also? I know there is an Acela varient in Colorado (stored at a testing center maybe?) that isn't electric. It looks just like the Acela except sans pantographs and the blue is replaced with red. I think it's LPG powered or something. More info on this, anyone?
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