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[quote user="oltmannd"] It is called Positive Train Control, and it is a statutory requirement, and the Department of Transportation had to issue it as a matter of law even though the monetizable benefits are lower than the monetizable costs. [/quote] How does one predict what the benefit will be without knowing the cost of the accidents that would have occurred without PTC? How does one predict what the cost will be when the R&D has not been entirely completed? Why is it a statutory requirement if the cost exceeds the benefit? What is the measured quantification of the benefit?
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