A little bit of Yogi Berra-type advice from the state Office of Parks, Recreation and Historic Preservation this July Fourth weekend: When it comes to Sunken Meadow State Park, it gets so crowded that nobody should really go there anymore.

Citing historic holiday traffic jams leading to the park, which has limited access routes in and out, state park officials are urging people to consider alternate venues — such as Heckscher State Park in East Islip — on the Fourth of July and to steer clear of Sunken Meadow, located in Fort Salonga.

The reason?

“Attendance at Sunken Meadow State Park for the past Fourth of July holidays has caused morning and afternoon gridlock and serious traffic disruptions” on Sunken Meadow Parkway, Sagtikos Parkway, Northern State Parkway and Southern State Parkway.

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Officials said that in the area of Sunken Meadow State Park traffic on those parkways has traditionally come to a near-standstill between 8 a.m. and 6 p.m. during recent July Fourth holidays.

As a result, officials warned: “Possible closings may occur at these locations due to heavy traffic.” Officials said the closures and delays are because Sunken Meadow State Park “often fills to capacity” during holidays such as July Fourth.