General Contact Number: (530) 621-5567

Department of Transportation

Department of Transportation Public Works Bid Information

Projects Currently Out to Bid: QuestCDN

El Dorado Trail Extension - Missouri Flat Road to El Dorado

Greenstone Road at Slate Creek Bridge Replacement Project

Bike / Pedestrian Counters and Bike Route Signs

Arrowbee Estates Road Zone of Benefits A - Road Maintenance and Drainage Improvement Project

Bid Results

Projects Bid Prior to 2014

Caltrans Standards

Caltrans Revised Standard Specifications dated September 2, 2016

Caltrans 2010 & 2015 Standard Specifications and Standard Plans

Quest Assistance

For assistance with the QuestCDN website or with creating a Quest account, please contact Quest at: (952) 233-1632 or

Bidding Assistance

​West Slope Projects​South Lake Tahoe Projects
​Brian Franklin
(530) 621-5311
​Donaldo Palaroan
(530) 573-7920
​Dan Kikkert
(530) 573-7914

DIR Assistance

To determine if a contractor or subcontractor is registered with the Department of Industrial Relations, use this search link:

DBE Assistance

For Disadvantaged Business Enterprise (DBE) information, including assistance with preparing a good faith effort, please visit the County DBE website at:


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