2025 Standard Specifications
Caltrans' book of Standard Specifications governs all materials, methods, and measurement/payment for highway construction projects awarded under the 2025 edition. Organized in divisions I through XI covering general provisions, earthwork, structures, drainage, pavements, and electrical work.
Full Text — 83 Sections (2024 Edition)
This specification is published by California Department of Transportation (Caltrans), which prints a copyright notice on the book. BuildSpec reproduces it as a state-authored public document and claims no ownership of the text. The agency’s own copy ↗
Previous Editions
Projects remain governed by the edition in effect when they were advertised — these earlier editions stay available for active and legacy work.
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