GDL GDL Traffic Signs and Road Safety 1 — Questions and Answers
Question 1: What shape and color is a standard US regulatory sign that GDL drivers must obey immediately, such as a STOP sign?
- Yellow diamond
- Orange rectangle
- Red octagon (Correct answer)
- Green rectangle
Correct answer: Red octagon
STOP signs are red octagons — the only eight-sided sign shape used in the US, making them instantly recognizable.
Question 2: A white rectangular sign with black text reading 'SPEED LIMIT 35' is an example of which sign category?
- Warning sign
- Regulatory sign (Correct answer)
- Guide sign
- Construction sign
Correct answer: Regulatory sign
White rectangular signs with black text are regulatory signs that establish legally enforceable rules such as speed limits.
Question 3: What does a yellow diamond-shaped sign with a curved arrow symbol indicate to a GDL driver?
- A mandatory turn ahead
- A warning of a curve or winding road ahead (Correct answer)
- A detour route
- A speed advisory only for trucks
Correct answer: A warning of a curve or winding road ahead
Yellow diamond warning signs alert drivers to upcoming hazards or road changes, such as curves, that require reduced speed or caution.
Question 4: A GDL permit holder sees a pentagon-shaped yellow sign with a child-crossing symbol. What action is required?
- Stop completely and wait for a crossing guard's signal
- Slow down and be prepared to yield to children crossing (Correct answer)
- Maintain speed since this is only a warning
- Honk to alert children before passing
Correct answer: Slow down and be prepared to yield to children crossing
The school zone pentagon sign warns drivers to slow down and yield to pedestrians, especially children, in or near the crossing area.
Question 5: Which color are highway guide signs that display route numbers and distance information?
- Yellow
- Orange
- Green (Correct answer)
- Blue
Correct answer: Green
Green rectangular guide signs provide directional and distance information on highways and are not regulatory commands.
Question 6: What does a red circle with a diagonal slash over a symbol mean on a US traffic sign?
- The action shown is required in this zone
- The action shown is prohibited (Correct answer)
- The action shown is optional at driver's discretion
- The area is under construction
Correct answer: The action shown is prohibited
A red circle with a diagonal slash is the universal 'No' symbol indicating that the depicted action — such as no U-turn or no trucks — is prohibited.
What shape and color is a standard US regulatory sign that GDL drivers must obey immediately, such as a STOP sign?