Merritt Parkway Shuts Down Lanes, Exit Overnight due to Construction; Reopening by 6:00 AM June 2, 2021 James Bairaktaris Closures affected the community again as the parkway shut down lanes both north and south as construction continued on the Fairfield - Norwalk stretch of Route 15. DOT’s Southbound Update: Road Work on RT15 Southbound between Exits 44 and 41 (4.2 miles) in effect today until Wednesday, June 2 at 6:00 am. The left lane is closed. DOT’s Northbound Update: Road Work on RT15 Northbound between Exits 40B and 42 (1.4 miles) in effect today until Wednesday, June 2 at 6:00 am. The right lane is closed and the Exit 41 off ramp is closed.