How much delay is acceptable for a 0.001% point yearly mortality reduction on a busy rail line? Certainly not an hour. So there is some tradeof. Notably the li

How much delay is acceptable for a 0.001% point yearly mortality reduction on a busy rail line? Certainly not an hour. So there is some tradeof. Notably the lives OP was talking about included his own. I think that matters quite a bit. Risking your own life for better speed is a different ballgame than deciding the risk other people run is fine.