XX MPH Truck Speed Zone Ahead (W3-5c)

Warning sign

W3-5c — XX MPH Truck Speed Zone Ahead

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Sign information

Federal designation: W3-5c
Category: Warning
Device type: Sign
Shape: Diamond
Background: Yellow
MUTCD reference: §2C.40 • Table 2C-1
MUTCD reference: Chapter 2C; see sign-specific section

Size / fabrication

Conventional — Single Lane: 36 x 36 in.
Conventional — Multi-Lane: 36 x 36 in.
Expressway: 48 x 48 in.
Freeway: 48 x 48 in.

Reference: §2C.40 • Table 2C-1

FHWA Standard Highway Signs

Dimensioned layout

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Drawing units: inches (in.) unless noted on the sheet.

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Application & sources

Warns road users of the condition, alignment, crossing, or hazard named by the sign.

FHWA MUTCD source · FHWA Standard Highway Signs source