Sample Speed Limits questions
It is foggy and you are driving just under the posted limit. Can you still get a speeding ticket?
Only if you crash Yes, if you are too fast for conditions Only on a freeway No, you are under the limit Show the answer
Yes, if you are too fast for conditions
The posted limit is for ideal conditions. You must slow for fog, rain or slick roads.
Source: Washington Driver Guide, Chapter 4, 4.12 Signs
You drive through a work zone on a Sunday and see no workers. What should you do?
Drive at the normal limit Speed up to clear it quickly Still reduce your speed Show the answer
Still reduce your speed
Narrow lanes and rough pavement stay hazardous even without workers.
Source: Washington Driver Guide, Chapter 4, 4.17 Zones: Work zone
What is the highest speed you may ever drive through an emergency zone?
Show the answer
50 mph
Slow to at least 10 mph under the limit, and never go above 50 mph in an emergency zone.
Source: Washington Driver Guide, Chapter 4, 4.17 Zones: Emergency zone
What is the speed limit when driving on a Washington ocean beach?
Show the answer
25 mph
The beach counts as a state highway with a 25 mph limit.
Source: Washington Driver Guide, Chapter 4, 4.20 Maritime
When are fines doubled for traffic offenses in a Washington construction area?
Only for trucks When workers are present Only at night Only on weekends Show the answer
When workers are present
Offenses in construction areas carry double fines while workers are present.
Source: Washington Driver Guide, Chapter 4, 4.12 Signs
What is the speed limit in a Washington school zone?
Show the answer
20 mph
The school zone limit is 20 mph; signs may show the times it applies.
Source: Washington Driver Guide, Chapter 4, 4.17 Zones: School zone
About how far does a loaded truck with good brakes need to stop from 55 mph?
450 feet 1 mile 50 feet 150 feet Show the answer
450 feet
Trucks need much more room to stop, so never cut in front of one.
Source: Washington Driver Guide, Chapter 4, 4.4 Sharing with large vehicles
Roundabouts are designed for what range of speeds?
30 to 40 mph 15 to 25 mph 45 to 55 mph 5 to 10 mph Show the answer
15 to 25 mph
Slow down as you approach; roundabouts are built for 15 to 25 mph.
Source: Washington Driver Guide, Chapter 4, 4.15 Other intersections
A farm vehicle has a triangle emblem on the back. What does that tell you about its speed?
It is designed to go 25 mph or less It can go faster than 55 mph Nothing about its speed It must stay under 10 mph Show the answer
It is designed to go 25 mph or less
The emblem marks a slow vehicle built for 25 mph or less, so be patient and pass with care.
Source: Washington Driver Guide, Chapter 4, 4.8 Sharing with agricultural vehicles
At night, you should be able to stop within your headlights' glow. About how far is that usually?
100 feet 50 feet 400 feet 1,000 feet Show the answer
400 feet
Headlights usually light about 400 feet ahead, so drive slowly enough to stop within that distance.
Source: Washington Driver Guide, Chapter 5, 5.6 Road and driving conditions: Night driving
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More Washington practice
Full practice test All topics, as in the knowledge test Road Signs What signs mean and what to do when you see them Right-of-Way Who goes first at intersections, crosswalks and roundabouts Traffic Signals Lights, arrows and pedestrian signals Lanes & Turns Lane markings, turns, passing and merging Parking Curb colors, hills and where you can't park Safe Driving Following distance, weather, night driving and sharing the road Alcohol & Drugs Blood alcohol limits, DUI rules and medication Emergencies Breakdowns, emergency vehicles and railroad crossings License Rules Permits, restrictions for new drivers and points Insurance & Collisions Required coverage and what to do after a crash Phones & Distraction Phone rules and other distractions
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About these questions
We wrote these practice questions from the facts in the Washington Driver Guide (PDF 520-400 (R/4/25), July 2025, linked from https://dol.wa.gov/driver-licenses-and-permits/driver-training-and-testing/driver-guides, read 2026-11-07 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Washington State Department of Licensing (DOL), and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.
