but here in San Diego, CA it is extremely common for the flow the traffic to be going 5-15 miles above posted speed limits Same here in the Bay area. It would

but here in San Diego, CA it is extremely common for the flow the traffic to be going 5-15 miles above posted speed limits Same here in the Bay area. It would be unsafe to drive no faster than the speed limits in some conditions of traffic. (Some drivers do this, and you have to change lanes on short notice to remain at the same speed as the rest of traffic.)