On-Call Traffic Engineering Services

Pinal County, Arizona is soliciting proposals for on-call traffic engineering services through its Development Services - Public Works department. The solicitation seeks qualified consultants to provide comprehensive traffic engineering support, including traffic signal warrant studies, safety evaluations, crash analysis, school zone assessments, intersection capacity analysis, traffic flow modeling, and preparation of technical reports and design plans. Deliverables will include technical memoranda, full traffic engineering reports, plans for signing and striping, traffic signal timing sheets, and electronic data files compatible with agency standards like Synchro, AutoCAD, and GIS. The evaluation criteria will assess consultants based on four key areas: experience and qualifications of key personnel (40 points), familiarity with municipal and government standards (30 points), examples of value engineering resulting in cost or time savings (15 points), and conflict-of-interest management (15 points). Key submission dates include a question period ending December 19, 2025, at 5:00 PM MST, with proposals due January 13, 2026, at 2:00 PM MST via the Bonfire portal. The anticipated contract award is scheduled for March 2026, with an initial one-year term renewable for up to four additional one-year terms.

The county encourages minority contractor participation and may require compliance with Minority & Disadvantaged Business Enterprise practices, particularly for federally funded projects. No specific set-aside percentages were detailed in the documents. Pinal County anticipates making multiple contract awards but reserves the right to award to a single contractor or add additional contractors if current awardees lack sufficient skills or capacity. The contract will be structured with fully-burdened, marked-up labor rates inclusive of wages, taxes, benefits, overhead, and profit. While no specific contract value was specified, the county makes no guarantees about actual spending under the awarded contracts. Contractors will be required to maintain comprehensive insurance coverage, including $1,000,000 in commercial general liability, $1,000,000 in automobile liability, workers' compensation, $2,000,000 in professional errors and omissions coverage, and $2,000,000 in technology/cyber liability coverage. The county reserves the right to terminate the contract for convenience, default, or conflict of interest.