Police chases could be limited to violent offenders / safer
U.S. streets could be safer
Rumble strips could reduce road accidents
Traffic cops could be replaced with mimes / humor could reinforce rules
Teslas' design could be safer than other cars
Satellites could be pinged for help in areas with no wifi / internet
Citrus and hot pepper sprays could cause alertness
TV / movie crews and actors could have better hours
Tesla's / cars' autopilot capabilities could be safer
SUVs / trucks / cars could be made safer for pedestrians / bikers
Wildlife bridges / tunnels could save animals and people
A phone charger could be an emergency tool
Reflective spray-on paint could improve biking safety
Trucks or buses could be safer to overtake driving
Stickers could prevent traffic accidents
Streets could be designed to be slower
Motorcycles or bicycles could deliver emergency healthcare more effectively
Tunnels could ease traffic, be weatherproof, and be resistant to earthquakes
Schools could start / end later
system for vehicle and traffic co-ordination
Signs on the street could warn pedestrians to look both ways