A crash slowed the commute on I-84 west in Southbury. (DOT photo)
HARTFORD, CT (WFSB) -
Dense fog hampered the morning commute in parts of the state Wednesday morning.
A dense fog advisory was issued for Hartford County until 9 a.m., mostly because of the Connecticut River Valley.
Other areas are experiencing it as well.
Eyewitness News' Early Warning Weather Tracker tracked fog in Waterbury that began to lift around 6 a.m.
It also saw patches of fog in Hartford, Middletown and Torrington.
The National Weather Service advised drivers to take it slow as visibility was limited to a quarter mile or less in some places. It told drivers to leave extra room between vehicles and use headlights on the low beam setting.
Though police haven't commented on their causes, a number of rollovers and crashes were reported on highways across the state.
Drivers heading up Route 9 north by exit 28 in New Britain were told to expect lane closures and delays because of a crash.
The Interstate 691 eastbound ramp to Interstate 91 north in Meriden was closed for one rollover.
In North Haven, I-91 northbound saw congestion between exits 12 and 13.
Interstate 84 west in Southbury experienced a crash by exit 14. The right lane was blocked there.
To check traffic in your area, head to the WFSB traffic page here.