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title California Driver's Handbook
source Information from two sections of California Driver's Handbook: Right of Way on Mountain Roads (https://www.dmv.ca.gov/portal/dmv/detail/pubs/hdbk/right_of_way#mtn_rds) and Speed Limits (https://www.dmv.ca.gov/portal/dmv/detail/pubs/hdbk/speed_limits).
taken from Tutorial: Capturing Real World Knowledge in Ergo (https://sites.google.com/a/coherentknowledge.com/tutorial-capturing-real-world-knowledge/extended-example)
terms of use Public domain

1Section 1: Right - of - way on mountain road
2When two vehicles meet on a steep road where neither can pass, the vehicle facing downhill must yield the right - of - way by backing up until the vehicle going uphill can pass.
3The vehicle facing downhill has the greater amount of control when backing.
4Section 2: Speed Limits
5California has a “Basic Speed Law.”
6This law means you may never drive faster than is safe for current conditions.
7For example, if you are driving 45 mph in a 55 mph speed zone during a dense fog, you could be cited for driving “too fast for conditions.”
8You may never legally drive faster than the posted speed limit, even if you think it is safe to do so.
9Regardless of the posted speed limit, your speed should depend on: The number and speed of other vehicles on the road. Whether the road surface is smooth, rough, graveled, wet, dry, wide, or narrow. Bicyclists or pedestrians walking on the road's edge or crossing the street. Whether it is raining, foggy, snowy, windy, or dusty.
10Section 3: Maximum Speed Limits
11The maximum speed limit on most California highways is 65 mph.
12You may drive 70 mph where posted.
13Unless otherwise posted, the maximum speed limit is 55 mph on two - lane undivided highways and for vehicles towing trailers.
14Other speed limit signs are posted for the type of roads and traffic in each area.
15All speed limits are based on ideal driving conditions.
16Construction zones usually have reduced speed zones.
17Driving faster than the posted speed limit or than is safe for current conditions, on any road, is dangerous and illegal.
18High speed increases your stopping distance.
19The faster you go, the less time you have to avoid a hazard or collision.
20The force of a 60 mph crash is not just twice as great as a 30 mph crash, it's four times as great!
21Section 4: Reduced Speeds: Heavy Traffic or Bad Weather
22You must drive slower when there is heavy traffic or bad weather.
23However, if you block the normal and reasonable movement of traffic by driving too slowly, you may be given a ticket.
24If you choose to drive slower than other traffic, do not drive in the Number 1 (fast) lane.
25When traveling below the speed limit always move to the right when another driver is close behind you and wishes to drive faster, unless you are already in the extreme right lane.
26Section 5: Reduced Speeds: Towing Vehicles, Buses, or Large Trucks
27When you tow a vehicle or trailer, or drive a bus or three or more axle truck, you must drive in the right hand lane or in a lane specially marked for slower vehicles.
28If no lanes are marked and there are four lanes or more in your direction, you may only drive in either of the two lanes closest to the right edge of the road.
29Section 6: Reduced Speeds: Around Children (First Section)
30When driving within 500 to 1,000 feet of a school while children are outside or crossing the street, the speed limit is 25 mph unless otherwise posted.
31Also, if the school grounds have no fence and children are outside, never drive faster than 25 mph.
32Some school zones may have speed limits as low as 15 mph.
33Always drive more carefully near schools, playgrounds, parks, and residential areas because children may suddenly dart into the street.
34Also, many children have not yet developed the ability to judge speeds and distances well enough to cross streets safely when cars are moving fast.
35Section 7: Reduced Speeds: Around Children (Second Section)
36Near schools, look for: Bicyclists and pedestrians.
37School safety patrols or school crossing guards and obey their directions.
38For the crossing guard's safety, allow him or her to safely get to the side of the road before driving ahead.
39Stopped school buses and children crossing the street.
40Some school buses flash yellow lights when preparing to stop to let children off the bus.
41The yellow flashing lights warn you to slow down and prepare to stop.
42When the bus flashes red lights (located at the top front and back of the bus), you must stop from either direction until the children are safely across the street and the lights stop flashing.
43The law requires you remain stopped as long as the red lights are flashing (CVC 22454).
44If you fail to stop, you may be fined up to <dollar> 1,000 and your driving privilege could be suspended for one year.
45If the school bus is on the other side of a divided or multilane highway (two or more lanes in each direction), you do not need to stop.
46Section 8: Roundabouts
47For roundabouts with multiple lanes, choose your entry or exit lane based on your destination as shown in the graphic.
48For example, to: Turn right at the intersection, choose the right - hand lane and exit in the right - hand lane (blue car.)
49Go straight through the intersection, choose either lane, and exit in the lane you entered (red car.)
50Turn left, choose the left lane, and exit (yellow car.)