I-10 tunnel in downtown Phoenix is ​​being redesigned


ADOT crews work in the Deck Park Tunnel on I-10 in downtown Phoenix. (Arizona Department of Transportation)

One of the relatively few tunnels in Arizona’s highway system is being re-lit.

The State Department of Transportation has begun replacing high pressure sodium lamps in the Deck Park Tunnel on Interstate 10 in downtown Phoenix with an advanced LED lighting system that costs $ 1.4 million to maintain highways.

ADOT projects that replace the old system that has been in use since the tunnel opened 30 years ago in August 1990 will save over $ 175,000 in annual energy savings.

The crews started work in January and are expected to be ready by summer during the Friday night closings.

Other freeway tunnels in Arizona include the Queen Creek Tunnel on US 60 near Superior and the Mule Pass Tunnel on State Route 80 on the outskirts of Bisbee.

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