School bus stop ahead sign: what it means

School bus stop ahead sign: a fluorescent yellow-green diamond with a black school bus, a child and an arrow pointing up
Drawing: Drivoku, based on MUTCD sign S3-1. Simplified; real signs follow the FHWA Standard Highway Signs specifications.

The School Bus Stop Ahead sign warns that a school bus stops ahead to pick up or drop off children at a place you cannot see from far away.

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What does the school bus stop ahead sign mean?

MUTCD Section 7B.04 says the sign should be installed before places where a stopped school bus is not visible far enough ahead and the stop cannot be moved to a place with better visibility.

Quick quiz

What does the sign at the top of this page mean?

  1. A school area, zone or crossing is near.
  2. A lower speed limit near a school when the lights flash.
  3. A school bus stops ahead, out of view.

Show answer

C. A school bus stops ahead, out of view. A school bus stop ahead is not visible far enough ahead (MUTCD Section 7B.04). Source: MUTCD 11th Edition, Part 7, Traffic Control for School Areas: Section 7B.04, FHWA; MUTCD 11th Edition, Part 1, General: Section 1D.05, FHWA; MUTCD 11th Edition, FHWA

Where will you see it?

On rural roads and highways, before curves or hills that hide a school bus stop.

What should you do?

Slow down and be ready to stop for a school bus picking up or dropping off children. Your state’s law says when you must stop for a school bus.

What do people get wrong?

Keeping your speed because no bus is in sight. The sign is there because you cannot see the stop.

Common questions

When must I stop for a school bus?

State laws set the rule; check your state’s driver handbook.

Why is the sign yellow-green?

MUTCD Section 1D.05 assigns fluorescent yellow-green to school bus and school warnings.

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Sources

Checked on 3 November 2026 against the MUTCD 11th Edition (FHWA), Sections 1D.05 and 7B.04.

  1. MUTCD 11th Edition, Part 7, Traffic Control for School Areas: Section 7B.04, FHWA
  2. MUTCD 11th Edition, Part 1, General: Section 1D.05, FHWA
  3. MUTCD 11th Edition, FHWA. FHWA lists the current version as the 11th Edition with Revision 1, dated December 2025

Sign pictures are our own simplified drawings of the MUTCD designs, which are in the public domain (MUTCD Section 1D.06). Sources and image credits.

This text was written with AI help, checked against the MUTCD and approved by Fri Vei AS. Last updated .

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