How many points are added for driving 16 to 25 mph over the limit outside a construction zone?
- 4
- 6
- 1
- 8
Show the answer
4
The points table gives 4 points for 16 to 25 mph over; construction zones carry more.
Tennessee Speed Limits practice test
Practice limits and how to adjust your speed, with questions based on the Tennessee Comprehensive Driver License Manual.
Sample Speed Limits questions
What is the highest interstate speed limit set by Tennessee law?
- 75 mph
- 70 mph
- 65 mph
- 80 mph
Show the answer
70 mph
70 mph is the top limit and is posted on most rural interstate sections.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Interstate Speed Limits (p. 47)
How does Tennessee law treat exceeding the speed limit in a school zone?
- As a warning only
- As a parking violation
- As reckless driving
- As careless driving with no points
Show the answer
As reckless driving
Speeding in a school zone is by law reckless driving.
At what point does Tennessee treat your car as a slow-moving vehicle?
- When going 10 mph or more under the maximum limit
- When going under 25 mph
- When going 1 mph under the limit
- Only when driving a tractor
Show the answer
When going 10 mph or more under the maximum limit
Driving 10 mph or more below the lawful maximum makes you a slow-moving vehicle.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Slow-Moving Vehicles (p. 46)
What fine range applies to speeding in an active, posted Tennessee work zone?
- $250 to $500
- $10 to $50
- $50 to $100
- $1,000 to $2,500
Show the answer
$250 to $500
Work zone speeding carries a minimum fine of $250 and a maximum of $500.
Under normal conditions, what is the minimum speed in the right lanes of a Tennessee interstate?
- 45 mph
- 55 mph
- 50 mph
- 35 mph
Show the answer
45 mph
Vehicles in the right lanes must go at least 45 mph when conditions are normal.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Urban Interstate Limits (p. 47)
Unless a sign shows otherwise, what is the speed limit on Tennessee's primary and secondary state and federal highways?
- 55 mph
- 65 mph
- 70 mph
- 45 mph
Show the answer
55 mph
Tennessee's default limit on these highways is 55 mph.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Tennessee Speed Laws (p. 47)
What speed limit is typical on interstates in Tennessee's congested urban areas?
- 65 mph
- 45 mph
- 55 mph
- 70 mph
Show the answer
55 mph
Urban interstate limits are typically set lower, at 55 mph.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Interstate Speed Limits (p. 47)
How many points does a school zone speeding conviction add to a Tennessee driving record?
- 12
- 3
- 6
- 1
Show the answer
6
It adds six points automatically, which also triggers an advisory letter.
When is it unlawful to drive slower than 55 mph on a Tennessee interstate?
- In any lane at any time
- Only at night
- Only in work zones
- In the far left lane, unless congestion prevents it
Show the answer
In the far left lane, unless congestion prevents it
The leftmost lane requires at least 55 mph unless traffic makes that unsafe.
Source: Tennessee Comprehensive Driver License Manual, Section B, Chapter 4, Urban Interstate Limits (p. 47)
More Tennessee 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 Tennessee Comprehensive Driver License Manual (PDF printing of March 2025 (Authorization No. MT3Q28), information current as of July 1, 2022 per its notice, downloaded 2026-11-08 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 Tennessee Department of Safety and Homeland Security, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.