Indian road narrows sign

A triangle showing converging edges.

Also known as: Carriageway narrows sign, Width reduction sign

Road & transportStandard profile

Meanings

The Indian cautionary sign warning that the carriageway narrows ahead.

Officially standardisedVerified fact
Warns that the carriageway narrows ahead.
Contexts: Road signage
Officially standardisedVerified fact
Is signed as narrowing on one side or on both, so the drawing distinguishes which edge moves.
Contexts: Road signage

A bordered triangle containing two lines converging gradually towards each other as they rise.

IdentityHigh confidence: High confidence because the identity is defined by a current official standard, but only a single source has been found so far.
Historical originLow confidence: Low confidence because the historical origin is documented in encyclopedic references, but only a single source has been found so far, 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 defined by a current official standard, but only a single source has been found so far.
Visual matchModerate confidence: Moderate confidence because the visual match is documented in encyclopedic references, but only a single source has been found so far.

IRC:67, Code of Practice for Road Signs
Indian Roads Congress · retrieved 2026-08-25
The Indian national code of practice for road signs, which defines the mandatory, cautionary and informatory sign families, their shapes, and their meanings. Cited for a sign's identity and defined meaning. Records are descriptive and are not a statement of any road user's legal obligation, which is fixed by the Motor Vehicles Act and its rules.

Last reviewed 2026-08-24

Meanings

The Indian cautionary sign warning that the carriageway narrows ahead.

Officially standardisedVerified fact

Warns that the carriageway narrows ahead.

Officially standardisedVerified fact

Is signed as narrowing on one side or on both, so the drawing distinguishes which edge moves.

Confidence

IdentityHigh confidence: High confidence because the identity is defined by a current official standard, but only a single source has been found so far.
Historical originLow confidence: Low confidence because the historical origin is documented in encyclopedic references, but only a single source has been found so far, 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 defined by a current official standard, but only a single source has been found so far.
Visual matchModerate confidence: Moderate confidence because the visual match is documented in encyclopedic references, but only a single source has been found so far.

Sources

IRC:67, Code of Practice for Road Signs
Indian Roads Congress · retrieved 2026-08-25
The Indian national code of practice for road signs, which defines the mandatory, cautionary and informatory sign families, their shapes, and their meanings. Cited for a sign's identity and defined meaning. Records are descriptive and are not a statement of any road user's legal obligation, which is fixed by the Motor Vehicles Act and its rules.

Last reviewed 2026-08-24