Correction — September 18, 2026: The supporting sources for this archived report were reviewed. Unrelated or unconfirmed source attachments and claims not supported by the retained source record have been removed.
A crash was reported on the westbound Southern State Parkway west of Exit 40 — the Robert Moses Causeway — in Islip, resulting in a right-shoulder closure, according to a 511NY traffic advisory.
The available record does not establish the number of vehicles involved, any injuries, the cause of the collision, responding agencies, or the duration of the shoulder closure.