All resulting traffic has cleared and the cleanup of the accident is complete.
The accident was on the Merritt between Exits 28 and 27, DOT said. The left lane was blocked, and about 2 miles of traffic backup were reported, DOT said.
The accident was reported at 2:30 p.m. The road reopened after about 20 minutes as cleanup continued.
Click here to follow Daily Voice New Canaan and receive free news updates.