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