A Port Jefferson Station woman was charged with driving while intoxicated after a traffic stop on the Sagtikos State Parkway in the Town of Islip Friday night, State Police said.

Christine E. Dolan, 24, moved erratically from her travel lane and drove without a seat belt about 10 p.m. when a trooper pulled her over south of Pine Aire Drive as she was southbound, police said.

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An investigation found that Dolan had a blood-alcohol content of .11 percent.

Dolan is scheduled for arraignment Saturday in Suffolk County First District in Court Central Islip, police said.