California Department of Resources Recycling and Recovery (CalRecycle) 

Tire-Derived Aggregate



Tire-derived aggregate (TDA) is made from shredded tires and is used for a wide range of public works projects and other civil engineering applications. The videos below discuss applications including slope stabilization, retaining wall backfill, lightweight embankment fill, vibration mitigation, and various landfill applications. For more information about applications of TDA, visit other pages on CalRecycle's TDA website or read additional resources on this page.

If you require assistance accessing these videos, please call CalRecycle's Office of Public Affairs at (916) 341-6300. 

Other Resources

  • Last updated: January 30, 2017
    Tire Management
    Tire Management Program Hotline: (866) 896-0600 (toll free)