Connecticut State Police have reopened I-91 Northbound at exit 8 near the North Haven/New Haven line following an accident investigation that had the highway closed for around one hour.

State Police investigate a crash on I-91 in North Haven on Monday afternoon. (Credit: Jeffrey Palmer)
State Police confirm to NBC Connecticut that Tuesday's investigation is related to a crash Monday involving a tractor trailer that closed I-91 for hours.
Drivers were able to exit at exit 8 and get back on the highway at exit 9, according to police.
No word on what injuries occurred in Monday's crash.