Oklahoma: Road signs — Part 3 Practice Test
Questions in this part include: “A roadside marker has three round reflectors stacked in a vertical column. Where does the manual say it is placed?” · “Where does milepost numbering start on a north-south highway?”
Independent educational site · not affiliated with any government agency or DMV
Ready? Test yourself
- Instant feedback with an explanation
- Every answer cites its source in the manual
- Your best score is saved on this device
- Keyboard: press 1 to 4 to answer and Enter for the next question
Questions are original and based on the official manual "Oklahoma Driver Manual" (2025 (updated November 24, 2025)), Service Oklahoma.
All 18 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.
Show the questions and answersHide the questions
-
A five-sided yellow-green sign shows two children walking, with a plaque below it showing an arrow pointing down and to the left. What does the manual call this sign?
- School bus stop ahead
- Playground ahead
- School crossing
- Detour for people walking
Show answer
Correct answer: School crossing
The five-sided school sign with the arrow plaque below it marks a school crossing.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 21 · Open this page in the manual (Manual page 21)
-
A roadside post carries a marker with a single round reflector. What does the manual say this night-time reflector shows?
- Where a fire hydrant stands
- Where the road lies (its alignment)
- Where a school bus will stop
- Where a private driveway enters
Show answer
Correct answer: Where the road lies (its alignment)
A single reflector on a post is a night-time marker that shows where the road goes.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
A roadside marker has three round reflectors stacked in a vertical column. Where does the manual say it is placed?
- At the entrance to every highway rest area
- At the start of every marked school zone
- Beside the crossbuck at a railroad crossing
- Before objects near the road edge, like culverts
Show answer
Correct answer: Before objects near the road edge, like culverts
This reflector stands in front of objects close to the road's edge, such as culverts or center piers on divided highways.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
Why are reflectors placed on the end rails of narrow bridges?
- To make them stand out
- To show the bridge's weight limit
- To show the height clearance
- To mark a lane for trucks only
Show answer
Correct answer: To make them stand out
Reflectors go on the end rails of narrow bridges and on other obstructions so drivers can see them clearly.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
A wide yellow sign shows a black arrow pointing both left and right, with striped panels at each end. What does it mean?
- A one-way street begins just past this sign
- Two lanes of traffic merge into one lane ahead
- A "T" intersection ahead; turn right or left
- A two-way road begins at this point ahead
Show answer
Correct answer: A "T" intersection ahead; turn right or left
The sign warns of a "T" intersection: you will have to turn right or left and be prepared to yield.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
On a warning sign or barricade, what do diagonal stripes sloping downward to the left mean?
- Bear to the right
- Bear to the left
- Stop before the barrier
- The road is closed
Show answer
Correct answer: Bear to the left
Stripes that slope down to the left tell traffic to bear to the left; stripes sloping down to the right mean bear right.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
What do the diagonal stripes on a warning sign or barricade show?
- How far away the hazard is
- The work zone speed limit
- Which lane is closed for good
- The direction traffic is to pass
Show answer
Correct answer: The direction traffic is to pass
The slope of the diagonal stripes tells drivers which side to pass on.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
-
What kind of information do guide signs give?
- Rules that drivers must obey at every intersection and crossing
- Warnings about hazards ahead on the road
- Directions for driving through a work zone
- Travel information such as highway names, distances and exits
Show answer
Correct answer: Travel information such as highway names, distances and exits
Guide signs identify highways, show distances, mark exits and point to parks and recreation areas.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
What does a business route guide sign indicate?
- A designated route that bypasses the city and avoids its business area entirely
- A numbered highway that only trucks and buses may use in town
- A designated route off the numbered highway that goes through the city’s business area
- A route that leads from the highway to a park or recreation area
Show answer
Correct answer: A designated route off the numbered highway that goes through the city’s business area
A business route sign marks a designated highway that leaves the regularly numbered highway and passes through the city’s business portion.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
What is the purpose of mileposts?
- To show the posted speed limit for each mile of the highway
- To identify the location of accidents, breakdowns or other emergencies
- To mark where each county begins and ends
- To show how far it is to the next rest area
Show answer
Correct answer: To identify the location of accidents, breakdowns or other emergencies
Mileposts give a way to identify where accidents, breakdowns or other emergencies happen.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
Mileposts mark every mile on interstate highways. Where does the numbering start?
- At the largest city on the route
- At the first exit ramp
- At the state capital
- At the state line
Show answer
Correct answer: At the state line
On interstate highways the mileposts start at the state line.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
Where does milepost numbering start on a north-south highway?
- At the southern line
- At the northern line
- At the eastern line
- In the middle of the state
Show answer
Correct answer: At the southern line
Numbering on north-south highways starts at the southern line.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
Where does milepost numbering start on an east-west highway?
- At the eastern line
- At the northern line
- At the western line
- At the state capital
Show answer
Correct answer: At the western line
On east-west highways the numbering starts at the western line.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
What do the arrows on green interstate guide signs show?
- Which lanes are closed ahead
- The lane or lanes to use to follow a certain highway
- The direction of one-way streets beside the interstate
- Where the next exit ramp ends
Show answer
Correct answer: The lane or lanes to use to follow a certain highway
The arrows show drivers which lane or lanes to use to follow a certain highway.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
Where are green interstate guide signs usually mounted?
- In the median
- On the shoulder
- On the pavement
- Overhead
Show answer
Correct answer: Overhead
Green interstate guide signs are usually mounted overhead.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
What do service signs show?
- Where speed limits change and where the highway becomes a freeway
- Where railroad crossings are located
- Where service stations, restaurants and motels are available
- Which lanes lead to a certain highway
Show answer
Correct answer: Where service stations, restaurants and motels are available
Service signs give information and directions about facilities such as service stations, restaurants and motels.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
What is the only lawful place on the highway where you can throw trash?
- A roadside ditch
- A litter barrel
- Any place off the traveled lanes
- A parked vehicle
Show answer
Correct answer: A litter barrel
The manual says the litter barrel sign marks the only lawful place on the highway to throw trash.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
-
Where are litter barrels located?
- At every exit ramp and every intersection
- Beside every milepost on interstate highways
- At all service stations and motels along the highway
- At all rest and picnic areas and all turnpike toll stations
Show answer
Correct answer: At all rest and picnic areas and all turnpike toll stations
Litter barrels are found at all rest and picnic areas and at all turnpike toll stations.
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)