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Carlin Tunnel - USA

First highspeed rated tunnel in North America fully lit by LEDs

Carlin Tunnel consists of two bores, each on average 1,394 feet long and 33 feet wide. In 2013, the Nevada Department of Transportation (NDOT), with the Federal Highway Administration, launched a renovation plan to improve Interstate 80 through the Carlin Tunnels area in Nevada. This project included enhanced roadway drainage, new concrete near tunnel entrances and a new lighting solution.
Previously, the tunnel was lit by a combination of high-pressure sodium luminaires. Schr├ęder proposed a solution with the FV32 LED tunnel luminaire. Each 240 LED version of the luminaire consumes 266W, while the 120 LED version consumes 131W. The new FV32 LED lighting system results in a significant decrease in energy consumption and the number of luminaires, from 1,253 to approximately 789.
The white light provided by the LEDs also enhances visibility and increases comfort for tunnel users. The updated lighting solution also includes a new tunnel lighting control system which incorporates dynamic dimming that responds to ambient light levels on both the inside and outside of the tunnels.

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