LEWES, Del.- Delaware State Police are investigating a single-vehicle crash in Lewes that left a man in serious condition on Thursday morning.
Police said the incident occurred shortly after 10 a.m. when a Kia Forte was traveling westbound on John J. Williams Highway (SR 24) east of Jolyns Way. Troopers said that for unknown reasons, the Kia crossed over the centerline of John J. Williams Highway and went off of the roadway into a wooded area, where it struck a tree.
Police said the driver and sole occupant, a 66-year-old Millsboro man, was not properly retrained. He was transported to Beebe Medical Center with serious injuries. His name is being withheld at this time.
John J. Williams Highway in the area of Jolyns Way was closed for approximately two-and-a-half hours while the crash was investigated and cleared.

