I-75 south in Dayton reopens after a jackknifed semi caused it to shut down

DAYTON — Update@8:35 a.m.: 

The jackknifed semi has been turned upright and all lanes on I-75 and Stanley Avenue have reopened.

First report:

We are at the scene of a jackknifed tractor trailer on Interstate 75 south at Stanley Avenue in Dayton. All four lanes have been blocked and traffic is being rerouted to state Route 4 north.

We will bring you more information as it becomes available.