MO DMV Traffic Signs and Signals 1 — Questions and Answers
Question 1: What does an octagonal (eight-sided) red sign always mean?
- Yield to oncoming traffic
- Stop completely before proceeding (Correct answer)
- Speed limit ahead
- No entry for vehicles
Correct answer: Stop completely before proceeding
An octagonal red sign is exclusively used for STOP signs, requiring a complete stop before the stop line or crosswalk.
Question 2: A yellow diamond-shaped sign with a black arrow curving to the right indicates:
- A one-way street ahead
- A curve or turn ahead (Correct answer)
- A merge lane on the right
- A railroad crossing ahead
Correct answer: A curve or turn ahead
Yellow diamond-shaped signs are warning signs, and a curved arrow warns drivers of a curve or turn in the road ahead.
Question 3: What shape is a YIELD sign in Missouri?
- Circle
- Rectangle
- Downward-pointing triangle (Correct answer)
- Pentagon
Correct answer: Downward-pointing triangle
YIELD signs are always downward-pointing (inverted) triangles with a red border and white interior.
Question 4: A green traffic signal means:
- Proceed with caution, prepare to stop
- Proceed if the intersection is clear (Correct answer)
- Always proceed without slowing
- Yield to all pedestrians only
Correct answer: Proceed if the intersection is clear
A green light means you may proceed if the intersection is clear of cross traffic and pedestrians.
Question 5: What does a flashing red traffic light require you to do?
- Slow down and proceed with caution
- Stop, then proceed when safe (Correct answer)
- Yield to traffic from the left only
- Come to a gradual stop and wait for green
Correct answer: Stop, then proceed when safe
A flashing red light must be treated the same as a STOP sign — you must come to a complete stop and proceed only when it is safe.
Question 6: Which sign color is used for informational and directional guidance on highways?
- Yellow
- Orange
- Green (Correct answer)
- Blue
Correct answer: Green
Green signs provide directional information such as exit numbers, distances to cities, and route guidance on highways.
Question 7: A sign with a red circle and diagonal slash over a symbol means:
- That action is required ahead
- That activity is prohibited (Correct answer)
- Caution is needed for that activity
- That route is for that type only
Correct answer: That activity is prohibited
A red circle with a diagonal slash (prohibition symbol) over any image means that action or vehicle type is prohibited.
MO DMV Traffic Signs and Signals 1
What does an octagonal (eight-sided) red sign always mean?