The crash was between Exits 26 and 27, DOT said. It was reported at about 4:40 p.m.
It was not clear how long it would take to clear the crash scene, DOT said.
The crash is making the Friday evening commute worse, DOT said. Northbound I-95 has over 21 miles of delays, from Exit 8 in Stamford up to Exit 27 in Bridgeport.
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