Selection and Specification Guide for Custom Overhead Highway Signs: Gantry vs. Cantilever Systems
In 2026, procurement officers and traffic engineers specifying custom overhead highway signs face a compounding set of structural, regulatory, and supply-chain pressures. Updated AASHTO LTS-6 fatigue load categories, new FHWA Buy America sustainability provisions for recycled aluminum, and accelerating V2I (vehicle-to-infrastructure) retrofit mandates have fundamentally changed the specification calculus for gantry and cantilever overhead sign […]
