Trains are safe because they’re dangerous - nobody wins the fight with the train, and it can’t even try to avoid the fight, so everyone learns to give them a wi

Trains are safe because they’re dangerous - nobody wins the fight with the train, and it can’t even try to avoid the fight, so everyone learns to give them a wide berth (and accidents that do happen are almost universally blamed on the non-train). Cars suffer from too much maneuverability - they do avoid most of the incidents and accidents.