Update 2:55 a.m.
Green Bay police say the scene was cleaned up around 10 p.m. Tuesday. Officers say they have no information on possible injuries at this time.
GREEN BAY – A tipped over semi-trailer is causing some traffic problems in Green Bay. Police are asking drivers to avoid W. Mason St. at U.S. 41 until 9:30 p.m.
Crews are working to remove the semi from the roundabout in that area.
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