Originally Posted by
gerv
I visited San Francisco once and was amazed at how traffic would back up on mildly foggy days. Never failed. Any variable will cause chaos.
That's a good thing. Here in PA and across all the northern states that has I-80 running through it, fog and snow that produces 0 visibility conditions doesn't slow anyone down a bit. They just keep trucking along at 70-80 mph straight into the 30 car pile-ups. Every snowstorm there is at least 1 many car pile-up between PA and Indiana on I-80.
I got caught on I-80 in one of these 0 visibility snowstorms. Had to get off because I couldn't see past my wipers, slowed down, and had cars flying around me at full speed. I'm no slouchh in the snow and can drive through just about anything, but I call it quits if I can't see the hood of my car and others around me keep on going at 80 mph.