General Contact Number: (530) 621-5567

Department of Transportation

Guidance for Turning in a Bid due to COVID-19 (Placerville Office Only) - updated 4/7/2020

CLICK HERE FOR: Projects Currently Out to Bid: QuestCDN

2020 Various West Slope Pavement Rehabilitation Projects (West Slope) - Bid Opening April 17, 2020 at 2:00 p.m. 

Hanks Exchange Road at Squaw Hollow Creek Bridge Replacement Project (West Slope) - Bid Opening April 15, 2020 at 2:00 pm

Clear Creek Road Bridge Replacements Project (West Slope) - Bid Opening April 17, 2020 at 1:30 pm

Bid Results

Projects Bid Prior to 2014

Caltrans Standards

Catrans 2018 Standard Specifications and Plans

Caltrans Revised Standard Specifications dated September 2, 2016

Caltrans 2015 Standard Specifications

Caltrans 2015 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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