What does a yellow centerline normally separate?
Correct answer: Traffic traveling in opposite directions.
Yellow lines separate opposing traffic. White lane lines separate traffic moving in the same direction; a solid white line also commonly marks the right roadway edge.
Source: Missouri Driver Guide, August 2026; PDF page 44, printed page 42; Meanings of Pavement Markings. ↗
A broken yellow line is on your side of a two-lane road. What does that allow?
Correct answer: Crossing to pass when visibility, traffic and other rules permit.
A broken line permits a passing maneuver, but it does not make every passing attempt safe or legal. You still need adequate visibility and space, and must obey other restrictions.
Source: Missouri Driver Guide, August 2026; PDF page 44, printed page 42; Meanings of Pavement Markings; No Passing Zones. ↗
The center marking has a broken yellow line for oncoming traffic and a solid yellow line on your side. What does it mean for passing?
Correct answer: Do not cross the solid line on your side to pass.
For a passing maneuver, the line on your side controls. A solid yellow line on your side marks a no-passing zone.
Source: Missouri Driver Guide, August 2026; PDF page 44, printed page 42; No Passing Zones. ↗
Two solid yellow lines divide opposing traffic. What do they mean for overtaking another vehicle?
Correct answer: Do not cross them to make a passing maneuver.
The guide prohibits crossing double solid yellow centerlines to pass. This question concerns overtaking, not every possible lawful crossing movement.
Source: Missouri Driver Guide, August 2026; PDF page 44, printed page 42; Direction of Traffic. ↗
On many roads, which marking identifies the right edge of the traveled roadway?
Correct answer: A solid white line.
A solid white line commonly marks the right roadway edge. It is different from yellow markings separating opposing traffic.
Source: Missouri Driver Guide, August 2026; PDF page 44, printed page 42; Direction of Traffic. ↗
How should you respond to a flashing red traffic light?
Correct answer: Make a full stop, then yield before proceeding safely.
A flashing red light has the same meaning as a stop sign. Stop fully and follow the right-of-way rules before proceeding.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Flashing Signal All Directions. ↗
You approach an intersection facing a flashing yellow traffic light. What should you do?
Correct answer: Slow down and proceed with caution.
Flashing yellow calls for caution and a reduction in speed. Watch for traffic and pedestrians rather than assuming you have an unobstructed path.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Flashing Signal All Directions. ↗
You face a circular red light and no sign prohibits a right turn. When may you turn right?
Correct answer: After a full stop, yielding to pedestrians and other traffic.
A permitted right turn on red requires a complete stop first. Turn cautiously only after yielding and making sure the way is clear.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Traffic Signals; red light. ↗
A No Right Turn On Red sign is posted and the signal is red. The road looks empty. What must you do?
Correct answer: Wait for a signal that permits your turn.
The sign prohibits the right turn while the light is red. An empty road does not remove that restriction.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Traffic Signals; red light. ↗
A green light changes to steady yellow while you are still far enough away to stop safely. What should you do?
Correct answer: Stop before entering the intersection.
The guide says to stop for a steady yellow unless you are already in the intersection or too close to stop safely before entering. Do not speed up to beat the red.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Traffic Signals; steady yellow light. ↗
Your light turns green, but a pedestrian is still lawfully crossing in front of your car. What must you do?
Correct answer: Yield until the pedestrian is clear of your path.
Green allows a movement but does not cancel the duty to yield to pedestrians lawfully in the crosswalk or traffic still lawfully using the intersection.
Source: Missouri Revised Statutes, section 304.281, subsection 1(1)(a). ↗
A flashing yellow left-turn arrow is displayed. What is required before you turn?
Correct answer: Wait for an adequate gap and yield to pedestrians.
A flashing yellow arrow permits the indicated turn after yielding. Unlike a protected green arrow phase, it requires you to choose a suitable gap in opposing traffic.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Traffic Signals; flashing yellow arrow. ↗
A green arrow permits your turn, but another vehicle is still lawfully crossing the intersection. What is correct?
Correct answer: Yield to that vehicle before making the indicated turn.
A green arrow allows the indicated movement, but you must still yield to pedestrians and other traffic lawfully using the intersection.
Source: Missouri Revised Statutes, section 304.281, subsection 1(1)(b). ↗
Your left-turn signal shows a steady red arrow. What should you do?
Correct answer: Stop and wait for an indication permitting the left turn.
For the steady red left-turn arrow described in the guide, stop and wait for a green indication or flashing yellow arrow that permits movement. Yield as required when the indication changes.
Source: Missouri Driver Guide, August 2026; PDF page 46, printed page 44; Left Turn Signals; steady red arrow. ↗
All signals at an intersection are dark and no officer is directing traffic. How should you treat the intersection?
Correct answer: As a four-way stop.
The Missouri guide says dark or nonworking traffic signals operate as a four-way stop. Stop and apply the appropriate yielding rules.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Traffic Signals; dark signals. ↗
Which traffic instruction is identified by an eight-sided sign?
Correct answer: Stop.
The octagon is the distinctive shape of a stop sign. Recognizing its shape helps even when the lettering is difficult to read.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Shapes. ↗
A downward-pointing triangular regulatory sign indicates which instruction?
Correct answer: Yield.
The triangle is used for a yield sign. Reduce speed and stop if necessary, yielding to traffic that conflicts with your entry.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Shapes. ↗
A round advance-warning sign is associated with which hazard?
Correct answer: A railroad crossing ahead.
Round railroad advance-warning signs alert drivers to a crossing ahead. Be prepared to identify and obey the controls at the crossing itself.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Shapes. ↗
What is the usual meaning of a five-sided school warning sign?
Correct answer: A school area or school crossing.
The pentagon is the school warning shape. Watch for children and obey the applicable signs and speed limits.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Shapes. ↗
Which message is associated with a pennant-shaped roadside sign?
Correct answer: No passing zone.
A pennant marks a no-passing zone. It warns you not to begin an overtaking maneuver in that zone.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Shapes. ↗
What kind of information do orange traffic signs usually provide?
Correct answer: Construction or work-zone information.
Orange identifies construction-related traffic information. Be ready for changed conditions and obey the posted directions.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Colors. ↗
A brown guide sign is most likely to direct you to which destination?
Correct answer: A public recreation or cultural-interest site.
Brown signs identify public recreation and cultural-interest destinations. They are distinct from blue motorist-service signs.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Colors. ↗
What does the blue background of a motorist-service sign help you locate?
Correct answer: Services such as fuel, food or lodging.
Blue is used for motorist services. Read the symbol or wording to identify the particular service offered.
Source: Missouri Driver Guide, August 2026; PDF page 47, printed page 45; Sign Colors. ↗
What is the important difference between an Added Lane warning and a Merge warning?
Correct answer: An added lane gives entering traffic its own lane.
With an added lane, entering traffic has a new lane, so an immediate merge is not required. Continue to watch for lane changes and follow subsequent markings.
Source: Missouri Driver Guide, August 2026; PDF page 48, printed page 46; Traffic Flow; Added Lane. ↗
A warning says your right lane ends and you must merge left. What should you do?
Correct answer: Find a safe gap and yield to traffic already in the left lane.
Plan the lane change before your lane ends. Yield to traffic in the continuing lane, signal and merge when a safe gap is available.
Source: Missouri Driver Guide, August 2026; PDF page 48, printed page 46; Traffic Flow; Lane Ends/Merge Left. ↗
