Idaho permit test: road signs
Traffic, turn-prohibition and lane-control signs, work-zone signs, school safety patrols, warning and guide signs, and barricades. 40 questions, 10 at a time, starting with ones you haven't seen.
Rules to remember10 key road signs rulesShow the rules
- Regulatory signs, which state the law, are generally black and white, though some are red and white. (p. 44)
- A keep right sign means the road ahead is divided. (p. 45)
- A do not enter sign means you may not enter that section of road from the direction you are traveling. (p. 45)
- Road Closed means the work zone cannot be entered except by authorized personnel. (p. 47)
- At a 3-way T intersection you must turn left or right. (p. 49)
- Most warning signs are black on yellow and diamond-shaped. (p. 49)
- An added lane sign means two highways are joining. (p. 50)
- When two lanes become one, the merging traffic from the ending lane must yield. (p. 50)
- A divided highway ends sign means two-way traffic ahead will no longer be separated by a center strip. (p. 51)
- An animal crossing sign means watch for animals crossing the highway. (p. 53)
Taken from the explanations to checked practice questions; page numbers link to the official handbook.
Sample road signs questions
1.It is raining, and you see this sign. What should you do?
- ASwitch on your hazard lights and keep going
- BKeep your speed, since it is a suggestion
- CSlow down, since the road may be slippery
- DMove to the left lane and pass slow cars
Show the answer
✓ C. Slow down, since the road may be slippery
This sign warns the road ahead may be slippery in wet weather. Slow down in these conditions.
2.What colors are regulatory signs, like speed limit signs, generally?
- AOrange and black only
- BBlack on yellow, or fluorescent green
- CBlack and white, or red and white
- DWhite on green, or white on blue
Show the answer
✓ C. Black and white, or red and white
Regulatory signs, which state the law, are generally black and white, though some are red and white.
3.The stripes on a barricade angle down to the left. How should you pass it?
- AOver the center
- BOn the right side
- CDo not pass; the road is closed
- DOn the left side
Show the answer
✓ D. On the left side
On barricades, stripes angle down toward the side you should pass on: down to the left means pass on the left.
4.What does this sign mean?
- AThe road ahead becomes a divided highway
- BYou may not enter this road from your direction
- CThe road ahead is closed for construction
- DYou must stop, then you may enter
Show the answer
✓ B. You may not enter this road from your direction
A do not enter sign means you may not enter that section of road from the direction you are traveling.