The crash took place around 10:18 p.m., Thursday, Feb. 6, on Post Road with the intersection with Cross Lane in Cos Cob, said the Greenwich Police.
According to police, the vehicle had been traveling east when it left the roadway to the right hit a tree and utility wires before it ended up colliding with the commercial building located at 121 Post Road.
The driver of the vehicle sustained significant injuries and after being extricated from his vehicle was transported to Stamford Hospital where he was declared dead, Greenwich Police said.
Notification of the next of kin is pending.
The building at 121 Post Road, which had been unoccupied at the time of the crash, has been examined and declared unsafe by the Town of Greenwich Building Inspectors.
The collision remains under investigation by the Greenwich Police Traffic Section.
Anyone who may have witnessed the collision or have any other information is asked to contact Traffic Technician Drenth at (203) 622-8014.
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