California Department of Transportation

  • District 10 Office
    1976 East Dr. Martin Luther King Jr. Blvd., Stockton, CA 95205
    Public Information Office: (209) 948-7543
  • About District 10
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Air Quality Perspective

Caltrans District 10, the Central Mountain County Conformity Working Group and the Southern Mountain County Conformity Working Group are working as teams in striving to improve air quality to the highest of standards possible while ensuring that critical improvements to the transportation system are implemented to ensure traffic safety, mobility and the most intelligent transportation system developments are implemented.