Michigan: Road signs — Part 3 Practice Test
Common warning, regulatory and guide signs and what to do when you see them. — Part 3
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Questions are original and based on the official manual "What Every Driver Must Know" (October 2025), Michigan Secretary of State.
Did you know?
- In 1915, the first stop sign was used in Detroit.
- In 1917, Michigan painted the first center line on a state highway, the Marquette-to-Negaunee Road.
- In 1920, the first four-way traffic signal with red, yellow and green lights was used at Woodward Avenue and Fort Street in Detroit.
More background reading from the manual →
All 17 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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A yellow diamond "Watch for Pedestrians" sign warns that:
- Pedestrians are prohibited in the area ahead
- A pedestrian bridge is ahead only
- This is a pedestrian-only street
- Pedestrians may be in the area; drive carefully
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Correct answer: Pedestrians may be in the area; drive carefully
This warning sign alerts drivers that pedestrians may be present in the area.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Obstacle in Roadway" sign warns that:
- An obstruction is ahead; drive to either side
- The road is closed ahead; follow the detour
- A toll booth requires a stop ahead
- A speed bump follows immediately
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Correct answer: An obstruction is ahead; drive to either side
This sign warns of a traffic island or obstruction ahead that you may drive around on either side.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A "Maximum Height Allowed" sign showing 12'-6" means:
- Maximum clearance under the structure is 12'6"
- The road is 12.5 miles long
- Vehicles under 12'6" tall are prohibited
- Speed limit is 12 mph under the bridge
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Correct answer: Maximum clearance under the structure is 12'6"
This sign warns of the maximum vehicle clearance height under a bridge or other structure.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow sign reading "Exit 25 mph" means:
- Only vehicles under 25 mph may use the freeway
- The exit closes at 25 minutes past the hour
- The speed to exit should not exceed 25 mph
- The exit is 25 miles away
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Correct answer: The speed to exit should not exceed 25 mph
This advisory sign recommends not exceeding 25 mph while using the exit ramp.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Intersection Ahead" sign warns that:
- A road intersects yours; watch for cross traffic
- The road ends at a dead end
- A roundabout replaces the intersection
- Traffic signals are out of service citywide
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Correct answer: A road intersects yours; watch for cross traffic
This warning sign alerts you that a road intersects yours ahead; watch for cross traffic.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Side Road Ahead" sign warns that:
- A side road intersects from the right; watch for traffic
- The main road becomes a side road ahead
- Parking is allowed on the side of the road ahead
- The road narrows to one lane ahead
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Correct answer: A side road intersects from the right; watch for traffic
This sign warns that a side road intersects your road from the right; watch for traffic.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Roundabout Ahead" sign warns that:
- A roundabout is ahead
- The road becomes circular for the next mile
- A U-turn is required ahead
- The speed limit doubles ahead
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Correct answer: A roundabout is ahead
This warning sign alerts drivers that a roundabout is ahead.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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An orange diamond sign reading "Road Work Ahead" means:
- Construction or maintenance crews are working in the area; drive with care
- The road is permanently closed for repaving
- A detour is mandatory regardless of lane
- Emergency vehicles only beyond this point
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Correct answer: Construction or maintenance crews are working in the area; drive with care
Orange work-zone signs indicate construction or maintenance activity; drive with care.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Stop Ahead" sign warns that:
- The road ends at a dead stop
- A toll requires stopping and paying cash only
- Traffic must stop for 30 seconds ahead
- A stop sign is posted ahead
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Correct answer: A stop sign is posted ahead
This warning sign alerts you that a stop sign is posted ahead, giving you time to prepare to stop.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Yield Ahead" sign warns that:
- Right of way is guaranteed ahead
- The road merges into a highway ahead
- A yield sign is posted ahead
- You must stop completely ahead
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Correct answer: A yield sign is posted ahead
This warning sign alerts you that a yield sign is posted ahead.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Merging Traffic" sign warns that:
- Traffic merges into your lane from the right
- Your lane ends immediately
- Only merging vehicles may use this road
- The freeway splits into two directions
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Correct answer: Traffic merges into your lane from the right
This sign warns that traffic merges into the roadway from the right ahead.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Divided Highway Ends" sign warns that:
- A new highway begins ahead
- Tolls end at this point
- The divided highway ends and becomes two lanes
- The highway is closing permanently ahead
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Correct answer: The divided highway ends and becomes two lanes
This sign warns that the divided highway is ending and will turn into two lanes of traffic.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Two-Way Traffic" sign warns that:
- Two-way traffic begins ahead; keep to the right
- The road becomes one-way ahead
- Passing is allowed in both directions at once
- The road splits into a divided highway
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Correct answer: Two-way traffic begins ahead; keep to the right
This sign warns that two-way traffic begins ahead; keep to the right.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Hill" sign warns that:
- A steep downslope is ahead; check your brakes
- The road is flat for the next few miles
- A bridge is ahead
- Speed limit increases on the incline
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Correct answer: A steep downslope is ahead; check your brakes
This sign warns of a steep downgrade; drivers, especially of large trucks, should check brakes and gear down if necessary.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Slippery When Wet" sign warns that:
- Only ice, not rain, affects this road
- This road is closed during rain
- The road becomes slippery in bad weather; drive carefully
- The road is always slippery regardless of weather
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Correct answer: The road becomes slippery in bad weather; drive carefully
This sign warns that the road surface becomes slippery in wet or bad weather conditions.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond sign reading "Right Lane Ends" warns that:
- The right lane ends; prepare to merge left
- The road narrows to zero lanes ahead
- Right turns are banned ahead
- The right lane becomes a passing lane
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Correct answer: The right lane ends; prepare to merge left
This sign warns that the right lane is ending in 500 feet; prepare to merge left.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)
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A yellow diamond "Bicyclists and Pedestrians" sign warns that:
- This road is for bicycles and pedestrians only
- A bike race finish line is ahead
- A bicycle and pedestrian crossing is nearby
- Bicycles and pedestrians are prohibited nearby
Show answer
Correct answer: A bicycle and pedestrian crossing is nearby
This sign warns that a bicycle and pedestrian crossing is nearby; drive carefully.
Source: What Every Driver Must Know (October 2025), page 45 · Open this page in the manual (Manual page 45)