A two-car accident south of Exit 12 for Old Stratford Road had narrowed the highway to just one lane after the 3:30 p.m. crash, DOT said.
A 6.7-mile traffic backup was reported at about 3:55 p.m., from Exit 9 for the Merritt Parkway in Trumbull up to Exit 14 for Route 110 in Shelton, DOT said.
Traffic jams were reportedly continuing as the evening commute kicked off on a rainy Wednesday afternoon.
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