Between 1 and 10 million dollars based on the money states are willing to spend on transportation safety improvements.
Quote:What is the value of a human life? About $1.54 million, according to economists Orley Ashenfelter of Princeton University and Michael Greenstone of the University of Chicago. At least, that is what it appears to be in the context of setting public policy about highway safety.
I seem to recall a figure of about 2 or 3 million UK pounds (around 6 million dollars) being used in a similar UK study concerned with rail safety. That is, a safety improvement to rail equipment was deemed cost-effective if the lives (theoretically) saved during the life of that equipment cost less each than that sum.
However, you have various factors, political as well as economic, to consider. One teen dying of leukemia, now, on TV, is different from someone who might or might not die in a train crash sometime over the next 10 years.