Should I park under an overpass if a storm hits? January 17, 2025 at 4:04 pm #42371 Tory JonKeymaster Joined: Nov 2019 Posts: 344 Likes: 390LikeUp1::The best course of action in this scenario is to exit the highway and park somewhere safe. If the conditions are that bad then you risk somebody losing control and plowing into you if you’re on the shoulder of the road.