Updated 9:05 a.m.
Congestion and an accident are causing delays on southwestern Connecticut roads this morning.
Merritt/Wilbur Cross parkways
A northbound accident is blocking the right line at Exit 53 in Stratford.
Southbound speeds start to slow after the Sikorsky Memorial Bridge. and continue to New Canaan for about 16 miles.
Sixteen miles of congestion from Exit 27 Bridgeport to Exit 13 in Darien.
Traffic is slowest through Bridgeport to Exit 17 in Westport. Slowest speeds are in the teens.