I don't believe any sort of traveler does a better job than any other sort of traveler at obeying traffic safety laws. It's difficult to foresee a camera program that can be used with bikers and walkers.

If you're driving more than 50 mph through a neighborhood where the speed limit is 25 mph, I question whether you should keep your driver's license. You're a menace to society.

Seems like people could behave themselves without making a calculation regarding how likely or unlikely they are to kill other people.

As our eyes age, they have a tougher and tougher time adjusting to rapid changes in lighting, and we need to be aware of this.

Motors that are vulnerable to shorting out because of snow ingestion should have snow filters installed over air intakes, and spare motors should be ready to replace any failed motors.

If you think your job requires you to endanger people, get another job.

Automate the headlights so drivers can't forget to turn them on in low visibility.