King County Engineering, Planning, and Design Services for RapidRide R Line - KC001764
- Due
- Nov 5, 2026
- 16 days left
- Posted
- Oct 14, 2026
- Primary contact
- Debora Hall
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SUMMARY
King County is seeking multidisciplinary engineering, planning, design, and related services for the upcoming RapidRide R Line serving Seattle.
The selected consultant will plan, develop, design, and produce bidding documents for roadway, signal, and sidewalk improvements, transit passenger facilities, transit communication infrastructure, and other components. Additional scope includes technical analysis, alternatives evaluation, cost and schedule information, and recommendations to support county decision-making throughout project design. The contract aims to balance transit performance objectives, customer experience, equity outcomes, available funding, implementation schedule, and long-term operations and maintenance considerations. Proposals are due by November 5, 2026.
- Submit to
- [email protected]
- Scope location
- Seattle, Washington
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Questions about this RFP
How do I respond to this RFP from King County?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is November 5, 2026. Submissions should be delivered to: [email protected]. For questions, contact Debora Hall.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including King County in WA, encourage participation from small businesses, minority-owned, women-owned, and disadvantaged business enterprises (MBE/WBE/DBE). Check the full solicitation for any small business participation goals.
What happens after the RFP submission deadline?
After the deadline, the issuing agency reviews all submissions against the stated evaluation criteria. This typically includes a compliance check, technical evaluation, cost analysis, and may involve oral presentations with shortlisted vendors.
Can I ask questions about this solicitation before submitting?
Yes, most solicitations allow vendors to submit questions during a designated period. The primary contact is Debora Hall. Questions and answers are typically shared with all prospective bidders.
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Where can I find more RFPs from King County?
All active and historical solicitations from King County are tracked and searchable. As a county agency, King County regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
Is this solicitation still open for submissions?
Based on the posted deadline of November 5, 2026, this solicitation appears to still be accepting submissions. Deadlines may change through amendments or addenda, so always verify the current status directly with the issuing agency before preparing your response.
What documents are required to bid on this RFP?
Requirements vary by solicitation, but common documents include a technical proposal, cost/price proposal, proof of insurance, relevant certifications, past performance references, and any forms specified in the solicitation. Review the full document from King County for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Seattle, Washington. Review the full solicitation for detailed scope requirements.