UPDATE, 6:47 a.m.: The tractor-trailer has been safely helped off the Parkway, according to the state police. 6:35 a.m.: A tractor-trailer is stuck on the Merritt Parkway southbound between exits 40a/40b in Norwalk. Tractor-trailers are not allowed on the Merritt. Police are helping the truck exit safely, but it is causing delays reportedly back to [...]