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Maryland driving lesson · Signs, Signals & Markings

Warning signs

A 3-minute lesson from the Maryland course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
3 minutes
Course unit
Signs, Signals & Markings
Checkpoint questions
4
Source pages
22

Warning signs tell you about a situation ahead that might not be obvious yet. Most are yellow diamonds, orange in work zones, and fluorescent yellow-green for schools, pedestrians and bikes. Seeing one means be ready to slow down.

Know the rule

Warning signs give road users notice of a situation that might not be readily apparent.

Handbook p. 22 ↗

Intersection and traffic-control warnings:

  • Stop Ahead
  • Yield Ahead
  • Signal Ahead
  • Intersection
  • Side Road Enters Ahead
  • "T" Intersection Ahead
  • Railroad before "T" Intersection
  • Traffic Circle/Roundabout
Handbook p. 22 ↗
Stop ahead
Stop Ahead

Road shape and lane warnings:

  • Sharp Right Turn
  • Road Curves
  • Sharp Turns
  • Steep Hill
  • Slippery When Wet
  • Two Roads Merging
  • Road Divides Ahead
  • Divided Road Ends Ahead
  • Lane Ends
  • Lane Ends Merge Left
Handbook p. 22 ↗
Slippery when wet
Slippery When Wet

Advisory speed sign

A yellow warning sign, often paired with an exit ramp sign, that advises a speed for that stretch. It is not the black-on-white regulatory speed limit sign.

Handbook p. 22 ↗
Advisory speed
Exit ramp advisory speed

Crossing warnings:

  • Pedestrian Crossing
  • Pedestrian and Bicycle Crossing
  • Trail Crossing
  • Deer or Other Wildlife Crossing
  • Truck Crossing
  • School Crossing Ahead
  • School Bus Stop Ahead
Handbook p. 22 ↗
School bus stop ahead
School Bus Stop Ahead

Work zone signs (orange):

  • Flagger Ahead
  • Roadwork Ahead
  • Detour
  • Begin Work Zone
  • End Active Work Zone
  • Work Zone Active when Flashing (increased fines)
Handbook p. 22 ↗
Active work zone when flashing (increased penalties)
Active work zone when flashing: increased penalties

Put it into practice

You pass an orange sign reading ACTIVE WORK ZONE WHEN FLASHING, and its light is flashing. The zone is active and increased fines apply, so slow down and watch for workers.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

The 'Advisory Speed' sign, shown in the handbook with curve and exit-ramp signs, belongs to which sign group?
  1. Warning signs
  2. Regulatory signs
  3. Guide signs
  4. Service signs

Answer: Warning signs

The handbook lists the Advisory Speed sign among warning signs, which give notice of a situation that might not be readily apparent.

Handbook p. 22 ↗
What does a 'Flagger Ahead' warning sign tell you to expect?
  1. A pedestrian crossing with no supervision
  2. A person directing traffic, often in a work zone
  3. A school crossing guard only
  4. A toll booth ahead

Answer: A person directing traffic, often in a work zone

A Flagger Ahead sign warns that someone will be directing traffic, typically in a work zone.

Handbook p. 22 ↗
What does a warning sign showing a deer indicate?
  1. A scenic nature area ahead
  2. A farm vehicle crossing
  3. Wildlife may cross ahead
  4. A hunting area with no road hazard

Answer: Wildlife may cross ahead

This warning sign alerts drivers that deer or other wildlife may cross the road ahead.

Handbook p. 22 ↗
In a work zone, what does increased fines signage combined with 'Active when Flashing' mean?
  1. Fines are always doubled in every work zone
  2. The sign only applies to trucks
  3. The active work zone has ended
  4. Higher fines while it is flashing

Answer: Higher fines while it is flashing

The 'Work Zone Active when Flashing' sign with increased fines means higher penalties apply specifically when it is flashing and workers may be present.

Handbook p. 22 ↗
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