The trains belonging to Canadian Pacific Railway struck each other around 3:15 p.m. No injuries were reported, however some power lines were damaged.
According to the spokesperson, a southbound train carrying grain and clay with two employees onboard struck an empty northbound train. Sixteen cars on the southbound train derailed, four cars derailed on the northbound train.
Some of thecars fell off of an overpass and slid down an embankment and onto a road. Authorities say the incident is under investigation.
"One of the trains derailed for some reason. We're not sure why at this point," said Chief Mark Nolan, Northbrook Fire Department.
Officials have closed off Shermer Road between Willow Road in Northbrook and West Lake Avenue in Glenview. Officials say the first priority is to clean up debris and reopen Shermer Road as soon as possible. However, the road is expected to remain closed for at least one or two days, possibly longer.