Gwinnett County Transportation Consultant Demand Professional Services Multi-Year Contract

The Gwinnett County Board of Commissioners seeks sealed proposals from qualified consultants for Transportation Consultant Demand Professional Services under a multi-year contract for the Department of Transportation. Required tasks include multimodal travel demand modeling, simulation and GIS analysis, traffic signal and ATMS design, traffic studies, signal timing optimization, and survey services covering boundaries, topography, and right of way. Consultants must supply required electronic design files, provide specific plan sets from concept through final plans, and ensure key personnel attend mandatory in-person meetings. Bidders must submit sealed proposals marked with the RFP number, company name, and submitted categories to the Purchasing Division in Lawrenceville, Georgia, by 2:50 P.M. local time on December 15, 2026. A virtual pre-proposal conference will take place at 2:00 P.M. on November 13, 2026, and all inquiries must reach Michael Milstein by 3:00 P.M. on November 24, 2026. Successful firms must maintain insurance through a provider authorized in Georgia with an A.M. Best rating of A-10 or higher.