Business Center

Materials & Geotechnical

The Materials & Geotechnical Branch is responsible for ensuring quality in the products and practices used to plan, design, construct and maintain Colorado's transportation system.

Our branch is responsible for the specifications, test procedures, and associated testing of materials to ensure compliance with CDOT standards and Federal Highway Administration (FHWA) regulations. This includes manuals, bulletins, policies, procedures, product approval and testing as listed in this site's menu.

Contact Us
  • Craig Wieden
    Materials & Geotechnical Branch Manager 
    303-398-6501


  • Eric Prieve
    Concrete & Physical Properties Program Manager 
    303-398-6542


  • Melody Perkins
    Pavement Design  & Documentation
    Program Manager 
    303-398-6561


  • Ty Ortiz
    Geohazards Program Manager
    Program Manager 
    303-398-6601


  • David Thomas
    Soils & Geotechnical Program Manager
    Program Manager 
    303-398-6604


  • Mike Stanford
    Asphalt Program Manager
    303-398-6576


  • Norma Gonzalez
    M&G Branch Program Assistant
    303-398-6502

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