Provo, UT Outdoor Lighting: Light Trespass & Shielding (2026)

010 as encouraging lighting that provides safety and security while preventing glare on public ways and protecting the enjoyment of private property rights. 020 requires an outdoor lighting plan for any proposed development other than one- and two-family dwellings, and that plan must include a site plan with fixture locations, heights, and lumen outputs, an iso-lux plan showing foot-candle levels at ground level, a certification that fixtures are fully shielded cutoff types that won't let light disperse or glare shine above a 90-degree horizontal plane from the fixture's base, and a certification of compliance with Illuminating Engineering Society illuminance recommendations.

030 adds that all outdoor lighting must switch off after business hours except essential security lighting, uplighting is banned except in landscaped areas approved by the Design Review Committee, and service wiring must run underground. 5 in commercial or industrial zones, with the average-to-minimum ratio capped at 4:1; and fixtures must be shielded wherever necessary to prevent direct illumination of adjoining properties, except light needed to illuminate an adjoining public right-of-way. 070(2). '