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Florida driving lesson · Signs and Pavement Markings

Warning signs: intersections, merges and speed

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

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Read time
3 minutes
Course unit
Signs and Pavement Markings
Checkpoint questions
4
Source pages
57

Warning signs are normally yellow diamonds. They alert you to what's ahead so you can slow down or get ready before you reach it. These signs announce intersections, lanes joining or ending, and changes in speed.

Know the rule

Traffic Signal Ahead: slow down; poor visibility is likely. Stop Sign Ahead: slow down and be ready to stop.

Handbook p. 57 ↗
Signal ahead
Traffic Signal Ahead
Stop ahead
Stop Sign Ahead

Know the rule

Yield Ahead: slow down and be prepared to stop or adjust speed to traffic.

Handbook p. 57 ↗
Yield ahead
Yield Ahead

Speed warnings:

  • Speed Reduction: advance notice that the speed limit changes ahead
  • Advisory Speed: the fastest safe speed around the curve ahead; may be used with any warning sign
Handbook p. 57 ↗
Warning sign with speed limit plaque (composite)
Speed Reduction Ahead
Curve left with advisory speed plaque (composite)
Turn warning with an advisory speed plaque

Lane changes ahead:

  • Merging Traffic: another lane joins yours; watch and yield when necessary
  • Reduction of Lanes: right lane ends; merge left. Left-lane drivers should let others merge smoothly
  • Two-Way Traffic Ahead: the road changes to two-way; expect oncoming traffic
  • Roundabout: slow down and possibly yield to traffic in the roundabout
Handbook p. 57 ↗
Merge
Merging Traffic
Left lane ends
Reduction of Lanes (right lane ends)
Roundabout ahead
Roundabout ahead

Know the rule

Divided Highway Ahead: a median or barrier will divide the highway. Divided Highway Ends: the divided highway ends 350 to 500 feet ahead; keep right for two-way traffic.

Handbook p. 57 ↗
Divided highway ends
Divided Highway Ends

Put it into practice

You pass a yellow sign showing the right lane ending, and you're in the right lane. Signal and merge left when there's a safe gap. Drivers in the left lane should help you merge smoothly.

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.

Warning signs in Florida are normally what shape and color?
  1. Red and octagonal
  2. Yellow diamond
  3. Round and blue
  4. Green and rectangular

Answer: Yellow diamond

Warning signs are normally yellow and diamond-shaped, alerting drivers to conditions ahead.

Handbook p. 57 ↗
An Advisory Speed Sign shows:
  1. The legal minimum speed
  2. The maximum highway speed
  3. The fastest safe speed to travel around an upcoming curve
  4. The exit ramp distance

Answer: The fastest safe speed to travel around an upcoming curve

An Advisory Speed Sign shows the fastest safe speed you should travel around the curve ahead.

Handbook p. 57 ↗
A 'Divided Highway Ends' sign tells you the divided highway ends how far ahead?
  1. 1,000 to 1,500 feet
  2. 150 to 200 feet
  3. 50 to 100 feet
  4. 350 to 500 feet

Answer: 350 to 500 feet

The Divided Highway Ends sign indicates the divided highway ends 350 to 500 feet ahead, after which you'll be on a two-way roadway.

Handbook p. 57 ↗
Warning signs are enforceable regulatory signs, identical in legal weight to a stop sign.
  1. True
  2. False

Answer: False

Warning signs alert drivers to conditions ahead; regulatory signs (like Stop) are the enforceable ones that set legal limits.

Handbook p. 55 ↗
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