California only · verified 2026-08-17

Numbers worth memorizing.

A compact reference, not a substitute for the handbook. Conditions can require a safer choice than a default number.

Open official handbook

Speed limits

Residential district
25 mph unless another limit is posted
Business district
25 mph unless another limit is posted
Alley
15 mph
Blind intersection
15 mph when the statutory view condition applies
School zone default
25 mph when children are present unless posted otherwise
Local school-zone posting
20 mph only where posted
Special school-zone posting
15 mph only where posted
Most highways
65 mph
Authorized posting
70 mph
Two-lane undivided road
55 mph
Towing
55 mph

Space and signaling

Ordinary following recommendation
3 seconds use more when risk rises
Signal before a turn
100 feet
Enter bike lane before right turn
within 200 feet
Pass a bicycle
at least 3 feet otherwise slow and pass only when safe
School-bus opposite-roadway exception
Opposite-direction traffic need not stop when the bus is on another roadway of a divided highway or a highway with at least two lanes in each direction.

Parking distances

Fire hydrant
15 feet default no-parking distance
Crosswalk approach side
20 feet
With curb extension
15 feet
Parking beside nearest railroad rail
7.5 feet
Parallel parking from curb
within 18 inches
Downhill with curb
Turn the front wheels into the curb.
Uphill with curb
Turn the front wheels away from the curb.
No curb
Turn the front wheels right, away from the center of the road.

BAC tiers

General driver
0.08%
Commercial vehicle
0.04%
Passenger for hire
0.04%
Driver younger than 21
0.01%
DUI probation
0.01%
Below a listed tier
Impaired driving can still be illegal

Provisional drivers

Permit minimum age
15 years, 6 months
Hold permit
6 months
Supervised practice
50 hours
Practice at night
10 hours
Provisional license minimum age
16 years
Passenger restriction
12 months passengers younger than 20, subject to supervisors and exceptions
Night restriction
11 p.m. to 5 a.m. documented exceptions apply

Knowledge test and phone

Published passing score
80%
Attempts before reapplying
3
Minor knowledge-test wait
7 days do not count the day of failure
Testing aids
Not allowed
Handheld phone while driving
Hands-free use only
Mounted-device activation
1 action
Driver younger than 18
Device use prohibited except an emergency

Negligent-operator points

Warning threshold
2 points in 12 months
Warning threshold
4 points in 24 months
Warning threshold
6 points in 36 months
Notice of intent threshold
3 points in 12 months
Notice of intent threshold
5 points in 24 months
Notice of intent threshold
7 points in 36 months
Probation and suspension stage
4 points in 12 months
Probation and suspension stage
6 points in 24 months
Probation and suspension stage
8 points in 36 months

Insurance and collisions

Injury to one person
$30,000
Injury to multiple people
$60,000
Property damage
$15,000
Report to licensing agency
within 10 days injury, death, or damage over $1,000
Report injury or death to police
within 24 hours