Highway Barriers Move Like Zippers Thanks to This Japanse Machine

Japan has one of the most advanced and dense road networks in the world. The upside is that you can move about freely, the downside being that it needs a lot of maintenance. Despite strictly enforced speed restrictions and harsh fines, accidents do happen in the land of the rising sun. The barriers on the sides of highways are thankless heroes, as they stop crashing cars from killing people on the other side. What’s more, they can be…