From the California DMV Handbook:
Turnout Areas and Lanes
Special "turnout" areas are sometimes marked on two-lane roads. Drive into these areas to allow cars behind you to pass.
Some two-lane roads have passing lanes. If you are driving slowly on a two-lane highway or road where passing is unsafe, and five or more vehicles are following you, drive into the turnout areas or lanes to let the vehicles pass.
Traffic Speeds
Accidents are more likely to happen when one driver goes faster or slower than other cars on the road.
If you drive faster than other traffic, you will have to keep passing other cars. Each time you pass another car, there is more risk of an accident. True, it may not be a big risk, but if you are passing one car after another, the risks begin to add up. Studies have shown that speeding does not save more than a few minutes in an hour’s driving.
Driving slower than other cars or stopping all of a sudden can be just as bad as speeding. It tends to make cars bunch up behind you and it could cause a rear-end crash. If many cars are passing you, move into the right lane and let them pass.I posted this because I don't think 99% of the population that uses highway 79 and 371 knows any of the above information and laws. lol