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Home / DOT Specifications / California / California Test Methods / California Test Methods (CTM)
🧪California Test Methods

California Test Methods (CTM)

WebCalifornia Department of Transportation (Caltrans)2025 Standard Specifications

California Test Methods are the state-specific testing procedures used for acceptance of aggregates, asphalt, concrete, soils, and chemistry. CTM numbers (e.g., CTM 202, CTM 540) are referenced directly in the Standard Specifications.

Local terminology: California calls its materials & testing "California Test Methods" — the label used throughout this page reflects that convention.

Full Text — 12 Sections (2024 Edition)

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