RFP 26-80 On‑Call Transportation Planning & Design Services

City of Somerville is seeking professional firms to provide on‑call transportation planning and design services for a three‑year period. The contract will be awarded on a “most advantageous” basis and will cover a range of tasks such as street design, construction documentation, traffic analysis, data collection, and public outreach. Vendors must submit both a technical (non‑price) and a price proposal, meet living‑wage and vulnerable‑road‑user ordinance requirements, and supply multiple certifications (e.g., non‑collusion, tax compliance, supplier‑diversity). • Core services include street design, construction plans/specs, traffic & transportation analysis, and outreach/engagement. • The solicitation expects each qualified firm to handle $100 k – $1 M in work over the base period, with rates firm for 90 days post‑opening. • Mandatory deliverables: Non‑price technical proposal, price proposal, required certificates, and a signed cover letter; work samples are optional but encouraged. • The City will award multiple contracts to cover the full suite of services; firms need only demonstrate capability in at least one service category. • Proposals must be received by July 15, 2026 3 PM EST (sealed envelope or via BidExpress) and will be evaluated on technical merit, experience, and pricing.