City of Diamond Bar Professional On-Call Traffic and Transportation Engineering Services RFP 2026
City of Diamond BarCity · Diamond Bar, CA- Due
- Mar 17, 2026
- Deadline passed
- Posted
- Feb 24, 2026
- Primary contact
- Christian Malpica
- (909) 839-7042
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SUMMARY
The City of Diamond Bar is soliciting proposals for professional on-call traffic and transportation engineering services.
The scope of work includes traffic engineering design, Traffic Impact Analysis (TIA) studies, Intelligent Transportation Systems (ITS) and Capital Improvement Program (CIP) project management, Construction Management (CM), Vehicle Miles Traveled (VMT) analysis, signal timing, and Traffic Management System (TMS) and Advanced Traffic Control System (ATCS) support. Services may also encompass other related traffic engineering tasks as needed. Proposals are due by March 17, 2026, at 21810 Copley Drive, Diamond Bar, CA. A Notice of Interest is required by March 10, 2026.
REQUIRED STAFFING
7- Submit to
- 21810 Copley Drive, Diamond Bar, California, 91765
- Scope location
- Diamond Bar, California
Questions about this RFP
How do I respond to this RFP from City of Diamond Bar?
Review the full solicitation document for submission requirements, evaluation criteria, and deadlines. The submission deadline is March 17, 2026. Submissions should be delivered to: 21810 Copley Drive, Diamond Bar, California, 91765. For questions, contact Christian Malpica.
Can small businesses or minority-owned firms bid on this RFP?
Most government agencies, including City of Diamond Bar in CA, 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 Christian Malpica at (909) 839-7042. Questions and answers are typically shared with all prospective bidders.
What staffing is required for this project?
This solicitation outlines specific staffing requirements. The required roles include: Traffic engineering design, TIA studies, ITS and CIP project management, CM, VMT, Signal timing, TMS and ATCS support. Proposers should demonstrate relevant qualifications and experience for each required role.
Can I search RFPs like this in ChatGPT or Claude?
Yes. Civic IQ has an MCP server that connects ChatGPT, Claude and other AI assistants to live Civic IQ data: open RFPs, pre-RFP signals from public meetings, awarded contracts and agency decision-makers across 100,000+ US public agencies. Add https://beta.mcp.civiciq.com/mcp as a connector (in ChatGPT under Settings > Apps & Connectors, in Claude under Settings > Connectors) and sign in with a free Civic IQ account at civiciq.com/mcp.
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Where can I find more RFPs from City of Diamond Bar?
All active and historical solicitations from City of Diamond Bar are tracked and searchable. As a city agency, City of Diamond Bar regularly publishes solicitations. Visit the agency profile to see current open bids, past contracts, vendor relationships, and decision-maker contacts.
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. Additionally, proposals should address staffing requirements as outlined in the solicitation. Review the full document from City of Diamond Bar for the complete list.
What is the scope of this project?
This solicitation defines a specific project scope. The scope covers the following locations: Diamond Bar, California. Review the full solicitation for detailed scope requirements.