A deadly crash closed all lanes on US-23 near M-14 in Washtenaw County for several hours Friday following a multi-vehicle crash that involved a semi-truck.

All lanes reopened late Friday night. 

Michigan State Police say a 49-year-old Plymouth woman who was in one of the vehicles struck in the crash was pronounced dead at the scene. Police report that other drivers also sustained minor injuries. 

The crash created a massive traffic jam for drivers in Washtenaw County. 

"I got off M-14, went territorial, and that was a mess. It was pretty backed up," said Paul.

At about 5:30 p.m., police say a semi-truck crossed the median and struck a car on US-23 just north of M-14. CBS News Detroit's Eye in the Sky chopper caught a glimpse of the miles-long backup on M-14.

"If you have to get through that area, and you've got to plan for it," said Paul.

Many drivers got off of M-14 and took an alternate route home on their Friday commute before they hit that traffic jam. Janet Kreger from Ann Arbor said she always sees more accidents on that section of road.

"Right around Ann Arbor, it has a curve, an incline, and it has other points of entry with cars coming in that have to blend into traffic. It's posted at 60 miles per hour, and people are just barreling through," Kreger said.

According to MSP, a semi-truck traveling southbound on US-23 crossed over the median and collided with three vehicles heading northbound. It is not known what caused the semi-truck to cross the median. 

Police have not yet determined if alcohol or drugs were factors in the crash. 

An investigation is ongoing.