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Lesson 10 of 21 · Section 4: Signs, Signals and Pavement Markings

Regulatory, warning and guide signs

Regulatory signs are traffic laws you must obey, starting with stop and yield. Warning signs flag situations you might not see in time, and guide signs show routes, services and mile markers.

Topic
Road signs
Key points
8
Numbers
1
Manual
Handbook pp. 16 to 23
What you must know

Key points

  1. At a stop sign, make a complete stop at the stop line. If there is none, stop before the crosswalk.

    Source: Handbook p. 21
    “You must make a complete stop at the stop line. If there is no stop line, stop before entering a crosswalk.”
    Maryland Driver's Manual, Handbook p. 21
  2. The stop sign is the only 8 sided sign on the road.

    Source: Handbook p. 21
    “The stop sign is the only 8-sided sign you will see on the road.”
    Maryland Driver's Manual, Handbook p. 21
  3. At a yield sign, slow down, look left and right, and yield to pedestrians, bicycles and vehicles.

    Source: Handbook p. 21
    “Slow down as you come to a yield sign. Look to the left and the right. Yield to pedestrians, bicycles, and vehicles.”
    Maryland Driver's Manual, Handbook p. 21
  4. Regulatory signs are about traffic laws, and you must obey them.

    Source: Handbook p. 21
    “Regulatory Signs These signs are about traffic laws. You must obey them.”
    Maryland Driver's Manual, Handbook p. 21
  5. An HOV lane sign means you may use the lane only with the number of people shown.

    Source: Handbook p. 21
    “You may only use this lane if you have the number of people that is marked on the sign.”
    Maryland Driver's Manual, Handbook p. 21
  6. Warning signs give notice of a situation that might not be readily apparent.

    Source: Handbook p. 22
    “These signs provide notice to road users of a situation that might not be readily apparent.”
    Maryland Driver's Manual, Handbook p. 22
  7. Mile marker signs appear every mile on interstates so help can find you.

    Source: Handbook p. 23
    “These are located every mile on interstate highways. They provide location information you can use if you need someone to find you.”
    Maryland Driver's Manual, Handbook p. 23
  8. Where you see stay right signs, drive in the right lane unless passing.

    Source: Handbook p. 16
    “In areas where you see "stay right" signs, drive in the right-hand lane or lanes unless you are passing a vehicle.”
    Maryland Driver's Manual, Handbook p. 16
Exact figures

Numbers to know

NumberWhat it meansManual
8 sidesonly the stop sign has this shapeHandbook p. 21
Signs in this chapter

Recognize these signs

  • Yield sign
    Yield
  • Do not enter sign
    Do not enter
  • Wrong way sign
    Wrong way
  • One way sign
    One way
  • No U turn sign
    No U turn
  • Stop ahead sign
    Stop ahead
  • Road work ahead sign
    Road work ahead
Check yourself

3 questions from the Maryland practice test

  1. 1. At a Maryland yield sign, what must you do before proceeding?

    1. Stop every time, even when the road is empty
    2. Slow down and yield to pedestrians, bicycles, and vehicles
    3. Accelerate so other traffic must wait
    4. Proceed without looking if your lane is open
    Show answer

    Slow down and yield to pedestrians, bicycles, and vehicles. A yield sign calls for a slower approach and a careful look to both sides. Give way to pedestrians, bicycles, and vehicles, and continue only when doing so is safe. A complete stop may be needed, but stopping every time is not the sign's automatic instruction. Accelerating or skipping the scan would reverse the protective purpose of the sign. Remember the triangle: it signals a conditional stop and right-of-way decision, unlike the octagonal sign that requires a complete stop in every approach situation.

  2. 2. At a stop sign with no stop line or crosswalk, where must the driver stop?

    1. At the stop sign, even if it blocks the crosswalk
    2. In the crosswalk to see around traffic
    3. Before entering the intersection
    4. After entering the intersection to check for vehicles
    Show answer

    Before entering the intersection. A stop sign demands a complete stop. Maryland's stopping sequence uses the stop line first, the crosswalk next, and the intersection itself when neither is marked. Stopping after entering the intersection places the vehicle where cross traffic may need to travel. The practical cue is to scan for a line and crosswalk as the sign approaches, then stop before the intersection if both are absent. Yield to vehicles and pedestrians already there before continuing.

  3. 3. What do warning signs provide notice of?

    Yellow plus-shaped crossroad sign
    1. A situation that might not be readily apparent
    2. A guarantee that no hazard is present
    3. A vehicle registration requirement
    4. A direction to ignore traffic controls
    Show answer

    A situation that might not be readily apparent. Maryland states that warning signs provide notice to road users of a situation that might not be readily apparent. Their purpose is to reveal a condition or hazard early enough for a driver to look ahead, adjust speed, and choose a safe response. A warning does not guarantee that the road is clear, replace registration rules, or authorize ignoring other controls. Treat the sign as advance information, then obey the signal, marking, or regulatory sign that governs the actual location.

Next step

Practice this topic

Lock it in with road signs questions from the free Maryland practice test. Every answer comes with a plain English explanation.

Source: the Maryland Driver's Manual, Section 4: Signs, Signals and Pavement Markings. This lesson is a plain English summary, not the law itself; where it differs, the manual and the statute govern. Last checked 2026-09-27.