In the early 1970s, Holophane invented the first prismatic glass high-mast optics and a lowering device for roadway and area lighting, and we have been serving DOTs with innovative solutions ever since.
High Speed Roadways
From our HMAO™ LED high-mast series to our Mongoose® LED offset cobra-head luminaires, Holophane provides solutions with high application efficacy to maximize pole spacing and reduce operating costs.
Our durable high-mast systems are engineered to maximize pole spacing while providing high uniformity and visual clarity in interchange applications where potential driver conflict is at its highest.
Tunnels and Underpasses
The Holophane brand offers the industry's most technologically advanced luminaires available for tunnel and underpass lighting for a wide variety of roadway and rail applications.
From cobra heads to decorative luminaires, we offer a broad range of robust roadway lighting solutions that are engineered to withstand the unique demands of bridge lighting.
Our durable Sign-Vue® LED II luminaires provide a lasting, energy-efficient solution for illumination of roadway wayfinding and direction signage with up to 20 years of expected service life.
Comprehensive guide to outdoor LED lighting and controls solutions for a variety of street & highway applications
Case study featuring the Holophane HMAO™ LED luminaire deployed by Maine DOT on I-295.
Learn how the Holophane HMAO™ LED high mast solution helped West Virginia to improve their roadway lighting.
Case study featuring the Holophane TunnelPass LED™ luminaire used by Caltrans in the Bay Bridge Tunnel on I-80 at Yerba Buena Island.