Sea-Tac Airport replacing 42 of 79 escalators

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SEATAC, Wash. (AP) -- Forty-two of the 79 escalators at Sea-Tac Airport are being replaced in $55 million project starting in July.

The Port of Seattle says the new escalators will have drive systems that improve energy efficiency by 20 percent. In addition, two new escalators are being added at the South Satellite.

The port says the work will be phased over two years to reduce passenger disruption at Sea-Tac.