This article is about if you can actually hack the traffic system to reroute traffic. The system is comprised of magnetic sensors embedded in roadways that wirelessly feed data about traffic flow to nearby access points and repeaters, which in turn pass the information to traffic signal controllers. This system lacks basic security there is no encryption or authentication setup for this system. You could use a packet sniffer to easily capture the data. the data will be in plain text this data can be used to confuse the system to make it work improperly. This could be used maliciously to cause major accidents. Nothing is being done by the company to fix this issue the vice president of the company Sensys Networks, Brian Fuller, told WIRED that the Department of Homeland Security was “happy with the system,” and that he had nothing more to add on the matter.