ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,782, issued on July 28.
"Drone crossing arm for stopping wrong-way vehicles" was invented by James P. Bradley (Dallas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computerized roadway safety system, method, and apparatus are provided for preventing wrong-way collisions on roadways and exit ramps of roadways by maintaining robotic drones at a drone docking station; monitoring the exit ramp with sensors to detect a wrong-way vehicle that enters the exit ramp in a wrong direction; transmitting a wrong-way vehicle detection signal from the sensors upon detecting the wrong-way vehicle; and launching a plurality of robotic drones in response to the wr...