Chain Controls

Find Chain Controls in California

This is the statewide index for Chain Controls. Use it to jump into California coverage by district, county, or route before opening a specific live data page.

Use the filters above to locate chain controls by:

• District coverage: 9 Caltrans districts publish this data type.
• County: Select from all 58 California counties (e.g., Alameda, Los Angeles, Placer).
• Route: Browse by major Interstate (I-5, I-80), State Route (SR-1), or US Highway.
• District: View regional data by Caltrans administrative district.

All data is updated in real-time. Chain Controls information is crucial for safe navigation during winter storms, rush hour traffic, and road construction projects.