Quiet zone symbol

A finger raised to lips, or a struck-through speaker, marking a silent area.

Also known as: Silent carriage, Quiet coach, Finger on lips symbol

Everyday & digitalRoad & transportQuiet profile

Meanings

A finger to the lips marks a quiet zone. Unlike most prohibition signs it asks rather than forbids, and the drawing reflects that — it is a person requesting quiet rather than a struck-through object.

Common modern usageVerified fact
Marks an area where passengers or visitors are asked to keep noise to a minimum.
Contexts: Public information
Common modern usageVerified fact
Asks rather than forbids, which is why it is usually drawn as a person requesting quiet rather than as a struck-through object in a red circle.
Contexts: Public information

Visual description

A head shown in outline, in profile or front view, with a single raised index finger held vertically as a straight line against the lips.

A fuller structured visual breakdown is not yet documented for this symbol.

Confidence

IdentityHigh confidence: High confidence because the identity is documented in encyclopedic references.
Historical originModerate confidence: Moderate confidence because the historical origin is documented in encyclopedic references, but early or supporting evidence is limited, but the regional or cultural match to this specific claim is not precise.
Current useHigh confidence: High confidence because the current use is documented in encyclopedic references.
Visual matchHigh confidence: High confidence because the visual match is documented in encyclopedic references.

Sources

Quiet car
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for what a pictogram depicts and whether a standard covers it; where a standard is named it is reported by this source rather than read, so no meaning is typed `official` on that basis alone.
Pictogram
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for what a pictogram depicts and whether a standard covers it; where a standard is named it is reported by this source rather than read, so no meaning is typed `official` on that basis alone.

Last reviewed 2026-07-31

Part of

Terminal and venue wayfinding

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Meanings

Common modern usageVerified fact

Marks an area where passengers or visitors are asked to keep noise to a minimum.

Contexts: Public information

Common modern usageVerified fact

Asks rather than forbids, which is why it is usually drawn as a person requesting quiet rather than as a struck-through object in a red circle.

Contexts: Public information

Confidence

IdentityHigh confidence: High confidence because the identity is documented in encyclopedic references.
Historical originModerate confidence: Moderate confidence because the historical origin is documented in encyclopedic references, but early or supporting evidence is limited, but the regional or cultural match to this specific claim is not precise.
Current useHigh confidence: High confidence because the current use is documented in encyclopedic references.
Visual matchHigh confidence: High confidence because the visual match is documented in encyclopedic references.

Sources

Quiet car
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for what a pictogram depicts and whether a standard covers it; where a standard is named it is reported by this source rather than read, so no meaning is typed `official` on that basis alone.
Pictogram
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for what a pictogram depicts and whether a standard covers it; where a standard is named it is reported by this source rather than read, so no meaning is typed `official` on that basis alone.

Last reviewed 2026-07-31