They're dangerous. US roads are full of large vehicles and plenty of distracted drivers. In sf, you appear to be able to kill bikers and walk away with a tick

They're dangerous. US roads are full of large vehicles and plenty of distracted drivers. In sf, you appear to be able to kill bikers and walk away with a ticket unless you're grossly negligent. The biggest thing a car has over this is 2k+ pounds of crumple zone surrounding you to take one for the team.