Under normal conditions, what is the slowest you may drive on a Missouri interstate?
- 40 mph
- 55 mph
- 30 mph
- 25 mph
Show the answer
40 mph
If 40 mph is too fast for you, use another route.
Missouri Speed Limits practice test
Practice limits and how to adjust your speed, with questions based on the Missouri Driver Guide.
Sample Speed Limits questions
What is the smallest fine for a first offense of speeding in a Missouri work zone?
- $50
- $100
- $250
- $1,000
Show the answer
$250
Other fines allowed by law can be added on top of it.
What is the smallest fine for a repeat offense of speeding in a Missouri work zone?
- $300
- $2,000
- $150
- $250
Show the answer
$300
A second or later offense has a higher minimum of $300.
Unless posted otherwise, what is the speed limit in a Missouri city, town or village?
- 20 mph
- 25 mph
- 45 mph
- 35 mph
Show the answer
25 mph
The default in cities, towns and villages is 25 mph.
Unless posted otherwise, what is the maximum on an interstate within an urbanized area?
- 45 mph
- 70 mph
- 60 mph
- 50 mph
Show the answer
60 mph
The table lists 60 mph for interstates, freeways or expressways within urbanized areas.
When may you lawfully go slower than a posted minimum speed?
- Whenever you want to save fuel
- In bad weather or heavy traffic
- When you are looking for an address
- On any weekend or holiday
Show the answer
In bad weather or heavy traffic
Bad weather, heavy traffic or a bad road are the stated reasons for going slower.
Source: Missouri Driver Guide, Chapter 8, Safe Driving Tips, Slow Poke Driving, PDF p. 61
Unless posted otherwise, what is the maximum speed on Missouri's lettered roads?
- 65 mph
- 45 mph
- 35 mph
- 55 mph
Show the answer
55 mph
The table lists 55 mph for lettered roads.
You come up behind a vehicle showing a reflective orange triangle. What does it tell you about its speed?
- It travels less than 25 mph
- It travels over 45 mph
- It travels over 65 mph
Show the answer
It travels less than 25 mph
Construction equipment and farm vehicles often carry this emblem.
Unless posted otherwise, what is the maximum speed on a Missouri rural expressway?
- 55 mph
- 45 mph
- 65 mph
- 75 mph
Show the answer
65 mph
The Driver Guide's table lists 65 mph for rural expressways.
How does driving faster affect the distance you need to stop?
- It makes the distance longer
- It has no effect on it
- It makes the distance shorter
Show the answer
It makes the distance longer
At higher speed you cover more ground before you react and need more room to brake. Leave more space as your speed goes up.
Source: Official Florida Driver License Handbook, Driving Safety: Braking and Stopping Distances; Illinois Rules of the Road, Chapter 11, Safe Driving Tips: Vehicle Speed (p. 84); North Carolina Driver Handbook, Chapter 4, Your Driving: Adjusting Your Speed to Driving Conditions; Washington Driver Guide, Road position and balance: Kinetic energy; Massachusetts Driver's Manual, Chapter 4, p. 78; Indiana Driver's Manual, Chapter 7, Speed Limits, p. 40; Maryland Driver's Manual, Section 3.C, p. 14; Missouri Driver Guide, Chapter 8, Stopping Distance, PDF p. 60; Wisconsin Motorists' Handbook 2026, Section 3.B Understanding Vehicle Speed, p. 11; Arizona Driver License Manual and Customer Service Guide, Section 5, Actively Avoiding Crashes: Braking and Stopping (p. 53); Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Braking, Following and Stopping Distances (p. 49); Alabama Driver Manual, Chapter 4, The Driver, Stopping Distance, PDF pp. 38-39; Chapter 7, Adjust to Driving Conditions, Night Driving, Speed, PDF p. 72; Louisiana Class D & E Driver's Guide, Chapter 5, Safe Driving Habits, Stopping Distances, PDF p. 70; Kentucky Driver Manual, Section Eight, Stopping Distance, PDF p. 58; South Carolina Driver's Manual, Section 8, Safe Driving Tips, Stopping Distance, p. 8-5 (PDF p. 98); Colorado Driver Handbook (DR 2337), Speed, Stopping distance, printed p. 12 (PDF p. 15); Oregon Driver Manual 2026-2027, Lane Travel, Stopping Distances, p. 29 (PDF p. 37); Oklahoma Driver Manual, Chapter 8, Stopping Distances, p. 42; Connecticut Driver's Manual, Chapter 4, Road Safety, Speeding, p. 36; Nevada Driver's Handbook, Chapter 3, Stopping, PDF p. 41; Arkansas Driver License Study Guide (Vol. 1, Ed. 10, October 2026), Chapter 5, See and Be Seen, Adjusting the Vehicle Speed, PDF p. 66; MDPS Driver's License Manual, Braking, PDF p. 44; Kansas Driving Handbook, Section 7, Stopping, PDF p. 59; Idaho Driver's Handbook, Stopping, Speed & Stopping, PDF p. 71; New Mexico Driver Manual, Signal when you slow down, PDF p. 23
More Missouri practice
- Full practice testAll topics, as in the knowledge test
- Road SignsWhat signs mean and what to do when you see them
- Right-of-WayWho goes first at intersections, crosswalks and roundabouts
- Traffic SignalsLights, arrows and pedestrian signals
- Lanes & TurnsLane markings, turns, passing and merging
- ParkingCurb colors, hills and where you can't park
- Safe DrivingFollowing distance, weather, night driving and sharing the road
- Alcohol & DrugsBlood alcohol limits, DUI rules and medication
- EmergenciesBreakdowns, emergency vehicles and railroad crossings
- License RulesPermits, restrictions for new drivers and points
- Insurance & CollisionsRequired coverage and what to do after a crash
- Phones & DistractionPhone rules and other distractions
About these questions
We wrote these practice questions from the facts in the Missouri Driver Guide (Revised August 2026 (cover), read 2026-11-08, plus the Department of Revenue page on the Graduated Driver License Law 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 Missouri Department of Revenue, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.