The northbound side of I-91 in Wethersfield was closed due to flooding, according to the Department of Transportation, but has reopened.
The highway was closed between Exits 25 and 27 and a DOT camera showed traffic at a standstill just after 3 p.m.
State police said they responded to a report of multiple accidents on I-91 in Wethersfield due to the flooding.
Traffic was being diverted off Exit 25 and onto Route 3, according to state police.
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Tropical Storm Henri has been dumping heavy rain in parts of the state Sunday.
Gov. Ned Lamont tweeted that the closure was causing major delays and asked drivers to avoid the area.
The flooding receded a little before 4 p.m., according to DOT.
