Semi rolls over, closes I-41 NB for 6+ hours near Mayfair Road in Wauwatosa

WAUWATOSA — A crash involving a semi closed all lanes of I-41 northbound and southbound near Mayfair Road near Wauwatosa on Tuesday, July 17. Southbound lanes reopened around 6 p.m. Northbound lanes remain closed.

Below are pictures shared with FOX6 News by a viewer:

Semi rollover on I-41 northbound near Mayfair

Semi rollover on I-41 northbound near Mayfair

The cause of the crash is under investigation. It’s unclear at this point whether anyone was hurt.

The backup from the semi rollover is seen below.

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Officials have urged all drivers not to go northbound from the Zoo Interchange onto I-41/US 45. It’s best to avoid the area.