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Comprehensive vocabulary flashcards covering road markings, traffic controls, rules of the road, safe driving practices, and legal requirements from the California Driver's Handbook.
Provisional Driver's License
A driver's license issued to an individual under 18 years old that prohibits driving between 11 p.m. and 5 a.m. during the first 12 months and forbids transporting passengers under 20 years old unless accompanied by a licensed adult at least 25 years old.
Limit Line
A wide, solid white line painted on a roadway that indicates where a vehicle must come to a complete stop before entering an intersection or crosswalk.
Yield Line
A line of solid white triangles painted across a lane pointing toward approaching vehicles, indicating the point where vehicles must yield or stop.
High-Occupancy Vehicle (HOV) Lane
A preferential traffic lane marked with a diamond symbol and reserved specifically for carpools, buses, and motorcycles.
Center Left Turn Lane
A lane located in the middle of a two-way street bordered by an inner broken yellow line and an outer solid yellow line, used exclusively to prepare for and make left turns or U-turns for a maximum distance of 200 feet.
Turnout Area
A designated space or lane on a two-lane road where slow-moving drivers must pull over to allow trailing vehicles to pass when safe passing is impossible and 5 or more vehicles are following.
Separated Bikeway
A bicycle lane—also known as a cycle track or protected bike lane—that is physically separated from motor vehicle traffic by grade separation, flexible posts, inflexible barriers, or on-street parking.
No Zone
The large blind spots around commercial trucks and large vehicles where passenger cars can disappear completely from the commercial driver's view.
Safety Zone
A dedicated space on a roadway marked by raised buttons or markers for pedestrians waiting for buses, streetcars, or trolleys, through which vehicles may never drive and can pass at no more than 10 mph.
Lane Splitting
The legal practice of a motorcyclist operating between rows of stopped or moving vehicles in the same traffic lane.

Slow-Moving Vehicle Emblem
A fluorescent orange and red triangular sign affixed to the rear of vehicles—such as road maintenance equipment—that typically operate at speeds of 25 mph or less.
Blind Intersection
An intersection that has no stop signs at any corner and an obstructed view for at least 100 feet in both directions, where the legal speed limit is 15 mph.
Alley
Any roadway no wider than 25 feet used to access the rear or side entrances of buildings or properties, carrying a speed limit of 15 mph.
Basic Speed Law
A California law establishing that you may never drive faster than is safe for current roadway, weather, and traffic conditions, regardless of the posted speed limit.
Hydroplaning
A dangerous driving condition occurring in wet weather when vehicle tires lose contact with the road surface and ride on top of a film of water.
Locked Wheel Skid
A skid typically caused by braking excessively hard while traveling at high speeds, locking the wheels and causing the vehicle to slide regardless of steering wheel input.
Three-Second Rule
A standard driving guideline used to ensure a safe following distance between your vehicle and the vehicle ahead under normal driving conditions.
Traffic Break
A controlled maneuver in which a law enforcement officer turns on emergency lights and slowly weaves across highway lanes to slow or halt traffic to remove hazards or prevent collisions.
Blood Alcohol Concentration (BAC)
The percentage measurement of alcohol in a person's bloodstream, with illegal California thresholds set at 0.08% or higher for drivers 21 and older, 0.04% for commercial drivers or passengers for hire, and 0.01% for drivers under 21 or on DUI probation.
Administrative Per Se
A California legal statute requiring the Department of Motor Vehicles to immediately suspend or revoke the driving privilege of any driver arrested for driving under the influence or refusing a chemical sobriety test.
Financial Responsibility Law
The legal requirement that motor vehicle operators carry minimum liability insurance of at least 30,000 for a single death or injury, 60,000 for death or injury to more than one person, and 15,000 for property damage.
Form SR 1
The Report of Traffic Accident Occurring in California that must be filed with the DMV within 10 days by each driver involved in an accident resulting in death, injury, or property damage exceeding 1,000.
White Curb
A painted curb marking indicating that stopping is permitted only long enough to pick up or drop off passengers or mail.
Yellow Curb
A painted curb marking designating an area for loading or unloading passengers and freight for no longer than the posted time limit.
Green Curb
A painted curb marking indicating that parking is allowed only for a limited duration specified on nearby signs or stenciled on the curb.
Blue Curb
A painted curb reserving parking spaces exclusively for disabled persons or those transporting a disabled person who displays an authorized disabled parking placard or license plate.
Red Curb
A painted curb designation where stopping, standing, or parking is entirely prohibited, with exceptions granted only to transit buses at marked bus zones.