Contractor Information

The intent of this page is to provide a central location for information concerning highway construction and maintenance projects that are currently advertised, recently advertised, or contemplated for advertisement by the Idaho Transportation Department. The pages currently include a list of projects expected to be advertised within the next 90 days, a list of projects currently advertised for a bid, a list of recent bid results and bid abstracts, a list of recently awarded contracts, a description of the resources available through ITD's DBE Supportive Services office and a list of useful telephone numbers for contacting us.


Contractors are required to access Plans and Proposals for project bidding through QUEST CDN . To create an account with QUEST CDN please visit To browse projects & view plan holders, click on the Browse Projects link on the left.

In accordance with Subsection 102.10 of the Department's 2012 Standard Specifications for Highway Construction, bids submitted on proposal forms not purchased through the Department's website will be considered irregular by the Department.

How to Access Online plans

Instructions for Viewing and Downloading Plans

Instructions for Quest Membership

Useful Telephone Numbers and Links
1. 208-332-2090.....Bid Modifications Fax
2. 208-334-8152.....Civil Rights/DBE
3. 208-334-8430 or 8433.....Bidding Procedures, Bonding/Insurance Requirements
4. (800) 358-6895 Toll Free..... Contractor Licensing (Public Works Contractors License Board)
5. 360-619-7520..... Western Federal Lands

Please send comments, questions and suggestions to:
Or write to
Idaho Transportation Department
Contracting Services
P.O. Box 7129
Boise, Idaho 83707-1129

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