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DOT Market Solutions

For over 50 years, the Holophane® brand has been at the forefront of providing departments of transportation with durable, highly efficient luminaires, poles and lowering devices for high-speed roadways.

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Outdoor DOT Solutions

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.

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Outdoor Lighting and Controls

Our DOT solutions range from high-mast LED luminaires, poles and lowering devices to offset cobra-head applications and networked controls — each designed to increase your operational efficiency.

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Outdoor DOT Applications

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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.

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Interchanges
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.

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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.

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Bridges
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.

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Sign 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.

Outdoor Featured Products

Resources

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Streets & Highways Lighting Guide

Comprehensive guide to outdoor LED lighting and controls solutions for a variety of street & highway applications

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Maine DOT I-295 Case Study

Case study featuring the Holophane HMAO™ LED luminaire deployed by Maine DOT on I-295.

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WV DOT Charleston Case Study Video

Learn how the Holophane HMAO™ LED high mast solution helped West Virginia to improve their roadway lighting.

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Bay Bridge Tunnel Case Study

Case study featuring the Holophane TunnelPass LED™ luminaire used by Caltrans in the Bay Bridge Tunnel on I-80 at Yerba Buena Island.