Part of Montowese Avenue in North Haven and an Interstate 91 on-ramp were closed Friday afternoon after a tanker truck rolled over, according to North Haven Police and state police.
Montowese Avenue was closed between Quinnipiac Avenue and Universal Drive, according to North Haven Police.
The Interstate 91 North on-ramp at exit 9 in North Haven was also closed and state police said would be closed for hours.
The roads reopened around 5 p.m., state police said.
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