The core problem is that we have huge bulks of metal driving at high speed through out cities, with drivers that are unable to observe their surroundings, and e

The core problem is that we have huge bulks of metal driving at high speed through out cities, with drivers that are unable to observe their surroundings, and even when they do take too much time to come to a safe stop. You are right about solving infrastructure: cities should be people-centric, not car-centric. Ban motorized traffic wherever people need to live. Invest in public transport, sharing services, walkability.