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.

CLICK HERE to view the Interactive Traffic Map

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.