Maine Road Signs Practice study materials
Maine Road Signs Practice study resources

Maine Road Signs Practice key terms

Maine Road Signs Practice · Get comfortable with the vocabulary.

Regulatory sign

A sign that states a law, rule, or requirement drivers must obey, such as a speed limit, stop, yield, or turn restriction. Most are white with black or red legends and are enforceable by law.

Related: Warning sign, Speed limit sign
Speed limit sign

A white rectangular regulatory sign showing the maximum legal speed in miles per hour for that road under normal conditions. Driving faster is illegal regardless of how safe the road appears.

Related: Regulatory sign, Advisory speed plaque
Lane-use control sign

A regulatory sign that tells drivers which movements a specific lane allows, such as left turn only, straight only, or a combined turn-and-through lane. Often mounted overhead or beside the lane it governs.

Related: One-way sign, Two-way left-turn lane
One-way sign

A black-and-white rectangular sign with an arrow showing that traffic on that street or lane moves in only one direction. Entering against the arrow is illegal and dangerous.

Related: Wrong-way arrow, Lane-use control sign
Do Not Enter sign

A square red sign with a white horizontal bar and the words DO NOT ENTER, marking a road, ramp, or lane where traffic may not proceed. It commonly faces drivers at the end of a one-way street.

Related: One-way sign, Wrong-way arrow
No-passing zone sign

A regulatory sign, often yellow with black text, marking where passing another vehicle is prohibited, usually because of limited sight distance. It works with pavement markings such as a solid yellow center line.

Related: Warning sign, Regulatory sign
Weight limit sign

A regulatory sign stating the maximum gross vehicle weight or axle weight allowed on a road or bridge, shown in tons or pounds. Overweight vehicles must use another route.

Related: Height limit sign, Regulatory sign
Height limit sign

A regulatory sign showing the maximum vehicle height, in feet and inches, permitted under a bridge, overpass, or tunnel. A taller vehicle must detour to avoid a collision or stuck load.

Related: Weight limit sign, Warning sign
Warning sign

A yellow diamond sign that alerts drivers to a change or hazard ahead, such as a curve, merge, narrow bridge, or slippery pavement. It does not state a law but tells you to slow or prepare.

Related: Regulatory sign, Advisory speed plaque
Advisory speed plaque

A small yellow rectangular sign below a warning sign giving a recommended safe speed for the hazard, such as 25 MPH for a sharp curve. It is a suggestion, not a legal maximum, but exceeding it is risky.

Related: Warning sign, Speed limit sign
Curve sign

A yellow diamond warning sign with a curved arrow showing a turn or bend ahead and its direction. A plaque may add a safe speed; drivers should slow before entering the curve.

Related: Advisory speed plaque, Warning sign
Merge sign

A yellow warning sign showing traffic from another lane or ramp joining your lane, often with an arrow. Drivers should adjust speed and position to allow a safe merge.

Related: Warning sign, Lane-use control sign
Narrow bridge sign

A yellow warning sign indicating a bridge ahead that is narrower than the approach roadway. Drivers should slow down, keep to the right, and allow oncoming traffic room to cross.

Related: Warning sign, Hill sign
Hill sign

A yellow warning sign showing a steep downgrade or upgrade ahead, often with a percentage grade. Drivers should check brakes, control speed, and expect slower trucks on the climb.

Related: Warning sign, Slippery when wet sign
Slippery when wet sign

A yellow warning sign showing a car with skid marks, placed where pavement loses traction in rain, ice, or snow. Drivers should reduce speed and avoid sudden braking or steering.

Related: Hill sign, Warning sign
Work zone sign

An orange diamond or rectangular sign warning of construction, maintenance, or utility work ahead. Orange marks temporary traffic control, and speeds may be reduced with higher fines for violations.

Related: Flagger, Channelizing device
Flagger

A trained worker using a stop/slow paddle or flag to control traffic through a work zone. Drivers must obey the flagger's signals exactly as they would a traffic signal.

Related: Work zone sign, Channelizing device
Channelizing device

A cone, drum, tubular marker, or barricade used to guide traffic around or away from a work area. Drivers should stay within the marked path and not cross these devices.

Related: Work zone sign, Flagger
Barricade

A large striped device with horizontal rails used in work zones to block a road or lane and direct traffic. A barricade with a sign such as ROAD CLOSED means the way is not passable.

Related: Channelizing device, Work zone sign
School zone sign

A yellow-green or yellow sign marking an area near a school where children cross and speeds may be reduced during posted hours. Drivers must slow down and watch for children and crossing guards.

Related: Crossing guard, Crosswalk sign
Crosswalk sign

A sign marking a pedestrian crossing, often showing a walking figure or the word CROSSWALK. Drivers must yield to pedestrians in the crosswalk and approach prepared to stop.

Related: School zone sign, Crossing guard
Crossing guard

A trained adult, often at a school crossing, who uses a stop paddle and vest to halt traffic so children can cross. Drivers must stop when the guard displays the stop paddle.

Related: School zone sign, Crosswalk sign
Shared-lane marking

A pavement symbol, often called a sharrow, showing a lane where bicyclists and motor vehicles travel together. Drivers should expect cyclists in the lane and pass only when safe.

Related: Bicycle lane sign, Crosswalk sign
Bicycle lane sign

A sign or marking designating a lane reserved for bicycles, often with a bicycle symbol and arrow. Motor vehicles may not drive or park in a marked bike lane.

Related: Shared-lane marking, Crosswalk sign
Crossbuck sign

A white X-shaped sign with black letters reading RAILROAD CROSSING at a track intersection. It means yield to trains; drivers must stop if a train is approaching.

Related: Railroad advance warning sign, Railroad pavement marking
Railroad advance warning sign

A yellow round sign with a black X and RR letters placed before a crossing to warn that tracks are ahead. It tells drivers to slow, look, and listen before proceeding.

Related: Crossbuck sign, Railroad pavement marking
Railroad pavement marking

A large white X and the letters RR painted on the pavement before a railroad crossing. It reinforces the advance warning sign and tells drivers to prepare to stop if needed.

Related: Crossbuck sign, Railroad advance warning sign
Railroad gate and lights

Flashing red lights and a descending gate arm at a crossing that stop traffic when a train approaches. Drivers must never drive around a lowered gate or past flashing lights.

Related: Crossbuck sign, Railroad advance warning sign
Guide sign

A sign giving directions, destinations, distances, or route information, usually green, blue, or brown. Examples include exit signs, mileage signs, and service signs.

Related: Interstate shield, Milepost marker
Interstate shield

The red, white, and blue shield-shaped marker identifying an Interstate highway and its route number. Even numbers generally run east-west and odd numbers north-south.

Related: Guide sign, Milepost marker
Exit sign

A green guide sign showing the exit number and destination for an upcoming off-ramp. Drivers should move into the correct lane early and avoid last-minute lane changes.

Related: Guide sign, Milepost marker
Milepost marker

A small green sign along a highway showing the distance in miles from a starting point, used for location and emergencies. It helps identify your position when reporting a problem.

Related: Guide sign, Interstate shield
Service sign

A blue guide sign listing nearby services such as gas, food, lodging, or hospitals, often with exit distance. It helps drivers plan stops without leaving the highway unnecessarily.

Related: Guide sign, Exit sign
Stop sign

An octagonal red sign with white letters requiring a complete stop before the crosswalk or intersection. Drivers must yield to cross traffic and pedestrians before proceeding.

Related: Yield sign, Regulatory sign
Yield sign

A downward-pointing red-and-white triangle requiring drivers to slow or stop and give the right of way to traffic on the intersecting road. Proceed only when the way is clear.

Related: Stop sign, Warning sign
Wrong-way arrow

A large white arrow painted on a ramp or one-way road pointing against the direction of travel to warn drivers they are heading into oncoming traffic. Seeing one means turn around immediately.

Related: One-way sign, Do Not Enter sign
Sign shape and color code

The standard system in which shape and color convey meaning, such as red for stop or prohibition, yellow for warning, orange for work zones, and green for guide information. Recognizing them speeds decisions.

Related: Regulatory sign, Warning sign