A ramp from the Seaford-Oyster Bay Expressway to the Long Island Expressway in Nassau County will be closed Thursday for repairs, the state Department of Transportation said.

The southbound Route 135 ramp to the westbound LIE in Syosset will be closed from 10 a.m. to 3 p.m. for “immediate repair work,” the agency said in a news release.

Drivers are advised to use an alternate route or allow extra travel time because of delays, the agency said.

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Real-time travel information is available by calling 511 or visiting 511NY.org, the state’s official traffic and travel information source. Information is also available at informny.com.

Mobile users also can get DOT information on Twitter at @NYSDOTLI or at Facebook.com/NYSDOT.