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Nevada driving lesson · Signs, Signals & Markings

Sign shapes and colors

A 2-minute lesson from the Nevada course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
2 minutes
Course unit
Signs, Signals & Markings
Checkpoint questions
6
Source pages
28, 29

Signs regulate, warn and inform. Their shapes and colors are standardized so you can grasp the message before you can read a word — handy at speed, at night, or when a sign is partly covered.

Sign colors

Sign colors
ColorMeaning
RedNo, do not, or stop
GreenDirection or guidance
Yellow or yellow-greenGeneral warning
WhiteRegulatory — a law or rule
OrangeRoad construction or repair warning
BlueDriver services, such as food and lodging
BrownRecreation and scenic area information
Handbook p. 28 ↗

Sign shapes

Sign shapes
ShapeMeaning
Octagon (8 sides)Stop
Inverted triangleYield right-of-way
PennantNo passing
Pentagon (5 sides)School zones and school crossings
DiamondWarning
RectangleTraffic regulations or directions to drivers
CircleRailroad crossing ahead
Handbook p. 28 ↗

Know the rule

A crossbuck (X) marks the actual railroad crossing; a shield is a route marker.

Handbook p. 28 ↗
Sign category shapes legend
Standard sign shapes

Know the rule

Regulatory signs are rectangular with a white background. They tell you traffic laws and regulations — you must obey them.

Handbook p. 29 ↗
Speed limit
Regulatory sign: speed limit

Know the rule

Warning signs are yellow, diamond-shaped, with black letters and symbols. They warn of special conditions or hazards ahead.

Handbook p. 29 ↗
Signal ahead
Warning sign: traffic signal ahead

Put it into practice

Driving at dusk, you spot a five-sided yellow sign ahead. You don't need to read it: a pentagon means a school zone or school crossing. Slow down and watch for children.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

What shape is a stop sign?
  1. Diamond
  2. Pentagon
  3. Octagon
  4. Rectangle

Answer: Octagon

An octagon (8 sides) always means STOP.

Handbook p. 28 ↗
What shape marks a school zone or school crossing?
  1. Pentagon
  2. Diamond
  3. Circle
  4. Triangle

Answer: Pentagon

A pentagon (5 sides) marks school zones and school crossings.

Handbook p. 28 ↗
You see an inverted (upside-down) triangle sign ahead. What does it mean?
  1. Stop completely
  2. Yield right-of-way
  3. No passing
  4. Railroad crossing ahead

Answer: Yield right-of-way

An inverted triangle means yield right-of-way.

Handbook p. 28 ↗
What color indicates a general warning on a traffic sign?
  1. Red
  2. Orange
  3. Yellow
  4. Brown

Answer: Yellow

Yellow or yellow-green signs are general warning signs.

Handbook p. 28 ↗
A pennant-shaped sign along the roadway indicates:
  1. A railroad crossing
  2. A school zone
  3. A no-passing zone
  4. A warning of a curve

Answer: A no-passing zone

The handbook lists the pennant shape as meaning no passing.

Handbook p. 28 ↗
A round sign along the road is warning you of what ahead?
  1. A railroad crossing
  2. A school zone
  3. A construction zone
  4. A no-passing zone

Answer: A railroad crossing

A circle shape warns of a railroad crossing ahead.

Handbook p. 28 ↗
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