ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,924, issued on Dec. 30, was assigned to GM CRUISE HOLDINGS LLC (San Francisco).

"Automated labeling of traffic control features" was invented by Chia-Wei Lin (Foster City, Calif.), Juan Fasola (San Francisco), Shreyans Kushwaha (Sunnyvale, Calif.) and Jabeer Ahmed (Bloomfield, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Sensor data obtained from vehicles driving through a particular environment (e.g., a particular city or region being mapped) is used to identify and label traffic control features. Location, speed, and/or acceleration of mapping vehicles can be used to identify intersections that may have traffic control features. Environment...