Bid guide
How to bid on RapidRide R Line design services for King County
What King County is buying
King County Metro Transit is seeking a consultant for multidisciplinary engineering, planning, design, and related services for Seattle’s RapidRide R Line. The work includes plans and bidding documents for roadway, signal, sidewalk, passenger-facility, and transit-communications improvements.
The consultant will also provide technical analysis, evaluate alternatives, and give cost, schedule, and other recommendations to support County decisions. This opportunity may suit firms with relevant transit and infrastructure planning and design experience.
Key date and deadline
Solicitation KC001764 was published October 8, 2026. Responses are due November 5, 2026, at 4:30 PM ET.
Submit your response through the King County Oracle procurement portal before the close time. Allow time to complete the portal submission; do not wait until the deadline.
Who this opportunity suits
This is an A&E solicitation for a consultant able to deliver multidisciplinary engineering, planning, and design services for transit and related infrastructure. Firms with capabilities relevant to roadway, signals, sidewalks, passenger facilities, and transit communications may find the work a fit.
The project also calls for balancing transit performance, customer experience, equity outcomes, funding, implementation schedule, and long-term operations and maintenance considerations.
How to access the solicitation and respond
Open the negotiation’s public abstract on the King County Oracle procurement portal using the “View original source” option. You can view the abstract without signing in; give the page a moment to load. Review the summary, lines, and listed documents. If the portal instead shows the abstracts list, search for KC001764.
The solicitation has seven attachments. Register a free supplier account on the Oracle portal to download documents and submit a response. Follow the portal’s response instructions and submit before the deadline.
Prepare a clear, competitive response
Read the full solicitation and all seven attachments before deciding how to respond. Use the stated requirements and evaluation criteria to organize your response, and check that you have addressed every requested item.
Explain how your team’s relevant experience and approach can support the project’s technical work and its competing priorities. Make any proposed deliverables, schedule information, cost details, and recommendations clear and consistent with the solicitation.
See the live bid — deadline, agency details, and how to respond
Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.
View this bid on BiddingSimpleThis guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from King County, WA; the original posting controls.