Contract services

Find guidance and support on how to work with numerous partners in the private sector to build, improve and maintain the State's transportation infrastructure. 

The Contract Services Office supports those efforts with the following contracting teams:

  • Architectural & Engineering (A&E) Agreements to include the prequalification list of services.
  • Information Technology (IT) Contracts to include IT Interlocal Agreements, IT Professional Services Agreements, and Data Sharing Agreements.
  • Professional Service Agreements for other types of services that are not A&E or IT related.


Find contracting opportunities that include engineering contracts for design and construction projects along with other service contracts. Review open, closed, awarded, and pending advertisements.

A&E services are also advertised in the Seattle Daily Journal of Commerce and periodically placed in regional publications such as A/E Consultant Information Network, Integrated Marketing Systems, The Spokesman Review, The Yakima Herald Republic, The Tri-City Herald, and The Wenatchee World.

IT and Professional services are advertised through Washington State's common vendor registration and notification system called the Washington Electronic and Business Solution (WEBS). Vendors can register for free in WEBS.

WSDOT solicits interest from consultants who wish to be prequalified to provide professional services for WSDOT. Firms that complete the prequalification process will be eligible to compete for select WSDOT projects. Find information on Consultant Pre-qualification.

Please see the forecast of projects (XLSX 90KB) provided by WSDOT project managers. Please note this is not all inclusive and may change.

View the 2023-2024 potential Information Technology (IT) projects (PDF 396KB). If interested in any of our IT contract opportunities, please register with WEBS.

DBE, SBE and M/WBE & Veteran Owned business information

The Office of Equity and Civil Rights diverse business programs contains information about how to become a certified firm, programs available to firms, and project goal attainment information.

Agreements & general information

Refer to the Consultant Services Manual for guidance concerning the authorization, selection, and use of consultants for Professional Services and A&E agreements.

If you plan on contracting with WSDOT, see the business requirements (PDF 16KB).

The Organizational Conflicts of Interest Manual is guidance on managing and reducing organization conflicts of interest.

Interlocal agreements

RCW 39.34, the Interlocal Cooperation Act, provides the authority for Washington State agencies to contract with other governmental entities. This law includes a requirement for either filing Interlocal agreements with county recording offices or publishing a list of all such contracts. See the list of Interlocal, Intergovernmental and Interagency Agreements (PDF 71KB)

Request a copy of a contract

To request records and copies of contracts, fill out a Public Disclosure Form (DOCX 25KB). Please submit a detailed description of the requested records including as much information as possible.

Submit your request to:

Records & Information Services
PO Box 47410
Olympia, WA 98504-7410

Phone: 360-705-7734
Fax: 360-705-6808

See our approved consultant list for right-of-way services and learn how to submit an application.

Find the rate submittal for review and approval process.

This information is intended to be used by WSDOT and consultant firms considering a co-location arrangement. The information provided was developed by a joint WSDOT and ACEC (American Council of Engineer Companies) committee.

The Washington State Department of Transportation (WSDOT) solicits interest from consultants who wish to be prequalified to provide professional services for WSDOT. Firms that complete the prequalification process will be eligible to compete for select WSDOT projects.

Find contract services contact information.

Slow down on ice and snow.

It's easier to skid or lose control traveling at higher speeds. Give yourself more time to stop.

Carry chains, practice installing them.

Winter conditions could mean chains are required on your route. Practice putting them on your vehicle ahead of time.

Pack your winter car kit.

Carry extra supplies like warm clothing, ice scraper and brush, jumper cables and other emergency items.