School Speed Limit When Flashing Sign
The reduced school-zone speed limit applies when the lights are flashing
What to do
Obey the lower limit whenever the beacons flash or children are present.
Tips
Fines are often doubled in active school zones.
Test yourself
You see this sign while driving. What do you have to do?
Show the answer
Obey the lower limit whenever the beacons flash or children are present.
Common mistake
Speeding through an active school zone
About school signs
School signs use a fluorescent yellow-green pentagon or rectangle. They mark school zones and crossings where reduced speed limits apply when children are present or lights are flashing. The test asks both what the sign means and the speed rules it triggers.
Practice questions about this sign
This school-zone speed sign means:
- A. The speed limit shown always applies near the school
- B. The lower school-zone speed limit applies only when the lights are flashing
- C. The lights flash only during school closures
- D. Drivers may ignore the limit if no children are visible
Show answer
B. The lower school-zone speed limit applies only when the lights are flashing — A school-zone sign with a flashing-beacon plaque means the reduced speed limit is enforced only while the beacons are flashing, typically during arrival and dismissal times.
Universal rule · checked against MUTCD 11th Edition, Part 2 — Signs (General) — Traffic Signs — General · verified 2026-08-01
Frequently asked questions
What does the School Speed Limit When Flashing Sign mean?
The reduced school-zone speed limit applies when the lights are flashing
What should you do at a School Speed Limit When Flashing Sign?
Obey the lower limit whenever the beacons flash or children are present.
Reference standard: Federal Highway Administration Manual on Uniform Traffic Control Devices ↗. State and local agencies may add rules or operating times, so follow the complete posted sign where you drive. How DMV Prep sources content.
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