Alabama Road Signs Practice study materials
Alabama Road Signs Practice study resources

Alabama Road Signs Practice key terms

Alabama Road Signs Practice · Get comfortable with the vocabulary.

Regulatory sign

A sign that gives a command or sets a rule drivers must obey, such as a stop, yield, speed limit, or turn restriction. Regulatory signs are usually white with black, red, or green markings.

Related: Speed limit sign, Stop sign
Stop sign

A red octagonal sign with white letters that requires a driver to come to a complete halt, yield to traffic and pedestrians, and proceed only when safe.

Related: All-way stop, Yield sign
All-way stop

An intersection where traffic from every approach must stop before proceeding. Vehicles proceed in the order they arrived, and ties are settled by yielding to the vehicle on the right.

Related: Stop sign, Yield sign
Yield sign

A red-and-white triangular sign telling a driver to slow down and let cross traffic or merging traffic go first, stopping only if necessary.

Related: Stop sign, Merge sign
Speed limit sign

A white rectangular sign with black numerals showing the maximum legal speed in miles per hour for that road under normal conditions.

Related: Advisory speed plaque, Regulatory sign
No passing zone

An area where overtaking another vehicle is prohibited, usually marked by a yellow pennant-shaped sign on the left side of the road and solid yellow pavement lines.

Related: Passing lane markings, Regulatory sign
Turn restriction sign

A regulatory sign that forbids or requires a specific movement at an intersection, such as no left turn, no U-turn, or left turn only.

Related: Regulatory sign, Lane-use control sign
Lane-use control sign

A sign that tells drivers which movements a specific lane allows, such as left turn only, straight only, or a lane that ends ahead.

Related: Turn restriction sign, Merge sign
Warning sign

A yellow diamond-shaped sign that alerts drivers to a change or hazard ahead, such as a curve, hill, intersection, or narrowing road. Warning signs do not create rules but call for caution.

Related: Advisory speed plaque, Diamond shape
Curve warning sign

A yellow diamond sign with a curved arrow showing that the road bends ahead. A plaque beneath may show a safe recommended speed for the curve.

Related: Advisory speed plaque, Warning sign
Advisory speed plaque

A small yellow rectangular sign placed below a warning sign showing a recommended safe speed, which may be lower than the posted legal limit, for the hazard ahead.

Related: Curve warning sign, Speed limit sign
Merge sign

A yellow diamond sign showing an arrow joining a through lane, warning that traffic from an entrance ramp or side road will merge into your lane ahead.

Related: Yield sign, Lane-use control sign
Crossroad sign

A yellow diamond sign with a plus-shaped arrow pattern warning that another road crosses yours ahead, where cross traffic may enter or cross your path.

Related: Warning sign, Side road sign
Side road sign

A yellow diamond sign with an arrow branching off the main arrow, warning that a road enters from the right or left ahead.

Related: Crossroad sign, Merge sign
Traffic signal ahead sign

A yellow diamond sign showing a traffic light, warning that a signalized intersection is ahead so drivers can prepare to stop if the light is red.

Related: Warning sign, Stop ahead sign
Stop ahead sign

A yellow diamond sign warning that a stop sign or all-way stop is coming up, giving drivers time to slow down and prepare for the required stop.

Related: Stop sign, Traffic signal ahead sign
Chevron sign

A large yellow rectangular sign with a black arrow, placed on the outside of a sharp curve to show drivers the direction the road turns.

Related: Curve warning sign, Diamond shape
Object marker

A small sign with diagonal stripes, usually yellow and black, mounted on or near a fixed object such as a bridge pier or culvert to make the hazard visible.

Related: Warning sign, Clearance sign
Clearance sign

A sign stating the maximum safe height or width for a vehicle passing under a bridge or through a narrow opening, helping drivers of tall or wide vehicles avoid a collision.

Related: Object marker, Warning sign
Guide sign

A sign that gives directions, distances, or destination information, such as route markers, exit signs, and mileage signs. Guide signs are usually green, blue, or brown with white lettering.

Related: Interstate route marker, Exit sign
Interstate route marker

A red, white, and blue shield-shaped sign that identifies an Interstate highway by number. Even numbers generally run east-west and odd numbers north-south.

Related: Guide sign, Mile marker
Exit sign

A green guide sign that shows the exit number, the destination served, and often the distance to the exit, helping drivers plan lane changes in advance.

Related: Guide sign, Mile marker
Mile marker

A small green sign along a highway showing the distance in miles from a starting point, used to report locations in an emergency.

Related: Interstate route marker, Exit sign
Service sign

A blue sign with white symbols or words that tells drivers where to find gas, food, lodging, rest areas, or hospitals near an exit.

Related: Guide sign, Recreation sign
Recreation sign

A brown sign that points to parks, historic sites, campgrounds, and other recreational or cultural areas, often with white lettering and symbols.

Related: Service sign, Guide sign
Work zone sign

An orange diamond sign warning of road construction or maintenance ahead, where lanes may be shifted, narrowed, or closed and workers may be present.

Related: Flagger sign, Channelizing device
Flagger sign

An orange diamond sign showing a person holding a flag, warning that a traffic control worker ahead will direct vehicles to stop or proceed.

Related: Work zone sign, Channelizing device
Channelizing device

A cone, drum, or barricade used to guide traffic around a work zone or separate traffic from workers and equipment.

Related: Work zone sign, Flagger sign
Detour sign

An orange or black-on-yellow sign marking an alternate route around a closed road or work zone, usually paired with arrows and route markers.

Related: Work zone sign, Guide sign
School zone sign

A yellow-green pentagon-shaped sign marking the area near a school where drivers must slow down and watch for children, often paired with a reduced speed limit.

Related: School speed limit sign, Pentagon shape
School speed limit sign

A sign showing a reduced speed limit that applies during posted school hours or when children are present, often with flashing lights to show when it is in effect.

Related: School zone sign, Speed limit sign
Crosswalk sign

A yellow diamond sign showing a person walking, warning drivers that a marked pedestrian crossing is ahead where people may be crossing the road.

Related: School zone sign, Pedestrian signal
Pedestrian signal

A signal head at a crosswalk that shows a walking person or a raised hand to tell pedestrians when it is safe to cross.

Related: Crosswalk sign, School zone sign
Railroad crossing sign

A yellow circular sign with a black X and two R letters that marks a railroad crossing ahead, warning drivers to look and listen for trains.

Related: Crossbuck sign, Railroad crossing pavement marking
Crossbuck sign

A white X-shaped sign with black letters reading RAILROAD CROSSING, placed at the crossing itself. Drivers must yield to trains, and a smaller sign may show the number of tracks.

Related: Railroad crossing sign, Railroad crossing pavement marking
Railroad crossing pavement marking

A large white X painted on the pavement before a railroad crossing, sometimes with the letters RR, warning drivers to look for trains.

Related: Railroad crossing sign, Crossbuck sign
Octagon shape

An eight-sided sign shape used only for stop signs, so drivers can recognize a stop from the back or at a distance by shape alone.

Related: Stop sign, Triangle shape
Triangle shape

A three-sided sign shape reserved for yield signs, allowing drivers to identify a yield sign by its outline even when the face is not readable.

Related: Yield sign, Octagon shape
Diamond shape

A four-sided sign rotated like a square standing on one corner, used for warning signs. Its yellow color and shape signal a hazard ahead.

Related: Warning sign, Pentagon shape
Pentagon shape

A five-sided sign shape used for school zone and school crossing signs, alerting drivers that children may be nearby.

Related: School zone sign, Diamond shape
Edge line

A pavement line marking the outer edge of the travel lane. A solid white edge line marks the right edge, and a solid yellow line marks the left edge of divided highways.

Related: Center line, Passing lane markings
Center line

A pavement line separating traffic moving in opposite directions. A solid yellow line means no passing, while a broken yellow line means passing is allowed when safe.

Related: Passing lane markings, Edge line
Passing lane markings

Yellow pavement lines that control overtaking. Two solid yellow lines or a solid line on your side means no passing; a broken line on your side means passing is permitted when safe.

Related: Center line, No passing zone
White pavement marking

A pavement line or symbol in white that separates traffic moving in the same direction or marks crosswalks, stop lines, and turn arrows.

Related: Edge line, Center line