WESTCHESTER (CBSLA.com) — A three-year construction project at LAX will begin Friday that could result in flight delays.

The project will upgrade the Runway Safety Areas which provide a buffer zone in case a plane overshoots or veers off during takeoff or landing.

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As a result, the construction will require rolling closures of runways. Passengers could experience delays or extended wait times aboard planes similar to what they would experience during bad weather.

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The improvements are mandated by the federal government and construction is expected to continue through June 2018, according to airport officials.

The upgrades have already been completed at LA/Ontario International Airport and Van Nuys Airport, according to LA World Airports.

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