Oklahoma road sign library
Every sign, signal and marking the Oklahoma driver manual shows or names, with its meaning in the manual's words and its page.
Independent educational site · not affiliated with any government agency or DMV
Regulatory signs - Oklahoma
STOP
Come to a complete stop at the intersection. You must stop before the pedestrian crosswalk, even if it isn’t marked. Stay stopped until the way is clear in all directions.
Manual page 19 · Open this page in the manual (Manual page 19)
4-WAY
Added below a stop sign, means all traffic approaching this intersection must stop.
Manual page 19 · Open this page in the manual (Manual page 19)
ALL WAY
Added below a stop sign, means all traffic approaching this intersection must stop.
Manual page 19 · Open this page in the manual (Manual page 19)
YIELD
Slow down and be ready to stop if needed. Let oncoming vehicles pass before crossing or entering the flow of traffic.
Manual page 19 · Open this page in the manual (Manual page 19)
See them all (33) · Regulatory signs →
Warning signs - Oklahoma
WARNING Hazard Ahead (Diamond)
The manual does not state it
Manual page 19 · Open this page in the manual (Manual page 19)
SCHOOL (Pentagon)
The manual does not state it
Manual page 19 · Open this page in the manual (Manual page 19)
NO PASSING (Pennant)
The manual does not state it
Manual page 19 · Open this page in the manual (Manual page 19)
NO PASSING ZONE
Do not pass. Do not cross yellow lines. You can’t see far enough ahead to pass safely.
Manual page 20 · Open this page in the manual (Manual page 20)
See them all (35) · Warning signs →
Work zone signs - Oklahoma
ROAD CONSTRUCTION 1500 FT
THE COLOR ORANGE tells you that you are nearing or in a work zone. Signs, barricades and lane-channeling devices—such as cones and barrels—are placed to direct you through the work zone safely and protect workers and flagpersons. Most signs are diamond-shaped, but some are rectangular.
Manual page 23 · Open this page in the manual (Manual page 23)
ROAD CONSTRUCTION NEXT 5 MILES
THE COLOR ORANGE tells you that you are nearing or in a work zone. Signs, barricades and lane-channeling devices—such as cones and barrels—are placed to direct you through the work zone safely and protect workers and flagpersons. Most signs are diamond-shaped, but some are rectangular.
Manual page 23 · Open this page in the manual (Manual page 23)
Flashing Arrow Panel: Move Left
FLASHING ARROW PANELS guide you into the proper traffic lane.
Manual page 23 · Open this page in the manual (Manual page 23)
Flashing Arrow Panel: Lane Closed
FLASHING ARROW PANELS guide you into the proper traffic lane.
Manual page 23 · Open this page in the manual (Manual page 23)
See them all (12) · Work zone signs →
Guide and service signs - Oklahoma
GUIDE (Green Rectangle)
The manual does not state it
Manual page 19 · Open this page in the manual (Manual page 19)
INTERSTATE Shield (No Number)
The manual does not state it
Manual page 19 · Open this page in the manual (Manual page 19)
BUSINESS Route Sign
BUSINESS ROUTE GUIDES SIGNS indicates an officially designated highway that branches off the regularly numbered highway and goes through the business portion of the city.
Manual page 25 · Open this page in the manual (Manual page 25)
MILE 44 Milepost
MILEPOSTS provide a means of identifying the location of accidents, breakdowns or other emergencies. Mileposts mark every mile on interstate highways starting at the state line. Numbering on north-south highways starts at the southern line and on east-west highways at the western line.
Manual page 25 · Open this page in the manual (Manual page 25)
See them all (17) · Guide and service signs →
Traffic signals - Oklahoma
Traffic Signal: Red, Yellow, Green
Color-blind people know the color by the position of the lights: Red on top— Yellow in the middle— Green on the bottom.
Manual page 26 · Open this page in the manual (Manual page 26)
Green Light
Green Light: Go—You can cross the intersection or turn except where turns are not allowed. Be sure the intersection is clear before you start and watch out for drivers who try to race through the intersection to beat a red light.
Manual page 26 · Open this page in the manual (Manual page 26)
Yellow Light
Yellow Light: Steady—Warning! The light is about to turn red! You must stop if you can stop safely before entering the crosswalk at the intersection. Adjust your speed as you approach so that you can come to a smooth stop if needed. Don’t speed up to beat the light. Enter the intersection carefully. Collisions often happen here.
Manual page 26 · Open this page in the manual (Manual page 26)
Red Light
Red Light: Stop!—Come to a complete stop before entering the crosswalk or intersection. You must remain stopped until the light turns green.
Manual page 26 · Open this page in the manual (Manual page 26)
See them all (12) · Traffic signals →
Pavement markings - Oklahoma
Railroad Crossing Pavement Marking (R X R)
Pavement Markings—An R X R and a stop line may be painted on the pavement in front of a crossing. Always stay behind the painted stop line while waiting for a passing train.
Manual page 56 · Open this page in the manual (Manual page 56)
Yellow Broken Line: Passing Permitted
Yellow broken line: Two-lane, two-way traffic, passing permitted.
Manual page 27 · Open this page in the manual (Manual page 27)
Double Solid Yellow Line: No Passing
Two-lane, two-way traffic. No passing in either direction. Cross the center line only to turn left.
Manual page 27 · Open this page in the manual (Manual page 27)
Solid Yellow Line on Your Side: DO NOT PASS
Two-lane, two-way traffic. No passing for traffic in the right lane (solid line in that lane).
Manual page 27 · Open this page in the manual (Manual page 27)
See them all (10) · Pavement markings →
Railroad crossings and other signs - Oklahoma
RED Color: Stop or Not Allowed
Stop or “Not Allowed”
Manual page 19 · Open this page in the manual (Manual page 19)
ORANGE Color: Construction, Maintenance, Warning
Construction Maintenance Warning
Manual page 19 · Open this page in the manual (Manual page 19)
YELLOW Color: General Warning
General Warning
Manual page 19 · Open this page in the manual (Manual page 19)
FLORESCENT YELLOW GREEN Color: High Emphasis
High Emphasis Schools, Pedestrian, Bicycling
Manual page 19 · Open this page in the manual (Manual page 19)
See them all (22) · Railroad crossings and other signs →
More signs from our practice questions
In the manual's chart of sign colors, what do white and black signs give you?
Regulations and instructions
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
How does the manual say you must treat regulatory signs?
Obey them just like other traffic laws
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 20 · Open this page in the manual (Manual page 20)
Which color does the manual's chart give to signs for driver guidance?
Blue
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
Which set of colors do guide signs use?
Green, white or brown
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
What color are service signs?
Blue
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 25 · Open this page in the manual (Manual page 25)
Speed limit signs belong to which group of signs?
Regulatory
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
According to the manual, what does the number on a speed limit sign tell you?
The highest speed allowed under ideal conditions
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 20 · Open this page in the manual (Manual page 20)
At a stop sign where there is a pedestrian crosswalk with no painted lines, where must you stop?
Before the crosswalk, marked or not
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
After coming to a complete stop at a stop sign, how long must you stay stopped?
Until the way is clear in all directions
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
A small red plaque reading ALL WAY is mounted below a stop sign. What does it mean?
All traffic approaching the intersection must stop
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 19 · Open this page in the manual (Manual page 19)
When you see a warning sign, what should you be prepared to do?
Use extra caution or make changes as you drive
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 21 · Open this page in the manual (Manual page 21)
A yellow diamond sign shows 12'-6" between an arrow pointing up and an arrow pointing down. What does it mean?
Taller vehicles or loads can't go through the underpass
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 21 · Open this page in the manual (Manual page 21)
A yellow diamond sign shows one large arrow with a shorter line joining it from the right. What should you be ready to do?
Change speed or lane so others can merge safely
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 the road lies (its alignment)
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 left
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?
The direction traffic is to pass
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 22 · Open this page in the manual (Manual page 22)
What is the purpose of mileposts?
To identify the location of accidents, breakdowns or other emergencies
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?
The 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)
According to the manual, what does a flashing red arrow generally mean?
All turns in the direction of the arrow are prohibited until a green signal
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 26 · Open this page in the manual (Manual page 26)
When a green arrow is lit, what may you do?
Turn in the direction of the arrow, even when the red light is still on
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 26 · Open this page in the manual (Manual page 26)
At a green arrow, which maneuver may you make unless signs give other information?
Only the turn the arrow indicates
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 26 · Open this page in the manual (Manual page 26)
What does a red X over a lane control signal mean?
Don’t use the lane
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 27 · Open this page in the manual (Manual page 27)
What does a steady yellow X on a lane control signal mean?
Clear the lane
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 27 · Open this page in the manual (Manual page 27)
What does a flashing yellow X on a lane control signal mean?
A left turn is permitted
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 27 · Open this page in the manual (Manual page 27)
What does a green arrow pointing down over a lane mean?
The lane is open for traffic
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 27 · Open this page in the manual (Manual page 27)
In most cases, farm equipment moving on public roads travels at less than what speed?
25 mph
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 58 · Open this page in the manual (Manual page 58)
How much of the road can large farm equipment use on a state highway?
More than one traffic lane
Source: Oklahoma Driver Manual (2025 (updated November 24, 2025)), page 58 · Open this page in the manual (Manual page 58)