The afternoon commute is very slow going southbound. Google Maps traffic view shows I-95 with multiple slow spots, especially around Stamford and Darien. Merritt Parkway looking a little better, with sluggishness around Westport.
Update, 6:20 p.m: It looks like that police activity has cleared on Route 7, which appears to running smoothly now.
5:48 p.m.: There also appears to be some police activity on the shoulder of Route 7 in Norwalk near Exit 1. That could slow things down as people shift over a lane. You can see the camera here: