US Glossary
US driving glossary — every term explained
An A–Z of every term used on the US road test. Each entry is short, citable, and links to the relevant guide so you can dig deeper.
Driving Routes
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Test process
Driver's handbook
Each state DMV's official guide to road law, signs, and safe-driving practices — basis for the permit test.
Full driver license
The unrestricted US driver license, granted after passing both permit and road tests.
GDL
Graduated Driver License — a phased licensing system used in most US states for new drivers.
Learner's permit
The first stage of a US driver's license — allows learner to drive with a licensed adult passenger.
Permit test
The US written exam taken to get a learner's permit before the road test.
Pre-trip inspection
A walk-around check of the vehicle's lights, signals, and controls before the road test starts.
Provisional license
The second stage of a US driver's license — granted after passing the road test, with restrictions.
Road test
The in-car portion of the US driver-license exam, run by each state's DMV.
Road test pass rate
The percentage of road-test candidates who pass at a given DMV center or state-wide.
Vision test
An eyesight check required before the US road test — typically a 20/40 visual acuity standard.
Manoeuvres
Bay parking
Parking forward or reverse into a marked bay; tested on most US road tests.
Blind spot
An area around the car that the driver cannot see using mirrors alone; requires an over-the-shoulder check.
Hill start
Pulling away from a stationary position on an incline without rolling back.
K-turn
Same as three-point turn — a road-test manoeuvre for reversing direction.
Mirror-shoulder check
The US version of Mirror-Signal-Manoeuvre — mirror, shoulder check, signal, then move.
Parallel parking
Reversing into a parking space alongside the curb, between two parked cars.
Quick stop
A controlled hard brake on the examiner's command, included on some US road tests.
Three-point turn
A US road-test manoeuvre for turning a car around in a narrow space; also called a K-turn.
Road law
Freeway
A limited-access high-speed road, typically 55–70mph; also called a highway or interstate.
Interstate highway
A federal US freeway in the Interstate Highway System; numbered I-5, I-95, etc.
Limit line
A solid white line at a stop sign or red light — you must stop with your front bumper before this line.
No turn on red
A sign prohibiting right (or left) turns on a red light, typically at busy intersections.
Right of way
The legal priority for one road user over another at intersections, merges, and pedestrian crossings.
Roundabout
A circular intersection at which traffic flows counterclockwise (US); yield to traffic already on it.
School bus stop rule
When a school bus stops with red lights flashing, traffic in both directions must stop (with some divider exceptions).
School zone
A reduced-speed zone around a school during school hours, marked by flashing yellow beacons.
Stop sign
An octagonal red sign requiring a complete, full stop before proceeding.
Yield sign
A triangular sign requiring you to slow and give right of way to crossing traffic.
People & roles
BMV
Bureau of Motor Vehicles — Indiana, Maine, and Ohio's equivalent of the DMV.
CDL
Commercial Driver License — required to operate commercial vehicles in the US.
DMV
Department of Motor Vehicles — the state-level agency that runs the US road test.
DPS
Department of Public Safety — Texas's equivalent of the DMV.
Driver license
The official US ID + driving authorization issued by your state DMV.
MVC
Motor Vehicle Commission — New Jersey's equivalent of the DMV.
MVD
Motor Vehicle Division — Arizona, Colorado, New Mexico, Utah's equivalent of the DMV.
PennDOT
Pennsylvania Department of Transportation — runs the road test in Pennsylvania.
RMV
Registry of Motor Vehicles — Massachusetts' equivalent of the DMV.
Vehicle & equipment
ABS
Anti-lock Braking System — prevents the wheels from locking under hard braking.
Android Auto
Google's car-dashboard interface that mirrors compatible Android apps onto the car's screen.
Apple CarPlay
Apple's car-dashboard interface that mirrors compatible iPhone apps onto the car's screen.
Dash cam
A small forward-facing camera mounted in the car; useful evidence in collisions but typically not allowed during the US road test.
Real ID
A federally-compliant US driver license required for domestic air travel starting May 2025.