Police say the crash took place about 4:45 pm on Kent Bridge Rd.
A Southbound vehicle made a left handed turn in front of Northbound vehicle.
Two passengers involved were taken to the hospital with non-life threatening injuries.
The investigating officer thought the driver of the Southbound vehicle was driving under the influence and took him in for further testing.
That man has now been charged with 2 counts of impaired driving causing bodily harm, and 2 counts of over 80 milligrams causing bodily harm.