2025 Standard Plans

PDFCalifornia Department of Transportation (Caltrans)2025 Standard Specifications

Standard Plans (formerly Standard Details) are the pre-engineered detail sheets used to reference typical construction items in contract plans. California uses the term "Standard Plans" rather than "Standard Drawings." Complete book — 638 pages.

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Local terminology: California calls its standard drawings "Standard Plans" — the label used throughout this page reflects that convention.

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Alternative Formats

PDF

Revised Standard Plans (Errata No. 1)

48 pages of revised sheets (updated 4/20/26)

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MicroStation DGN files

Download individual sheet DGN files from the TOC portal

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Previous Editions

Projects remain governed by the edition in effect when they were advertised — these earlier editions stay available for active and legacy work.

2018 Standard Plans (601 pages)

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All Caltrans editions archive

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