ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,738, issued on Oct. 7, was assigned to GM CRUISE HOLDINGS LLC (San Francisco).

"Method for identification of emergency vehicle road closures" was invented by Zachary Wright Garcia (San Francisco), Changkai Zhou (Mountain View, Calif.), Kevin Yuwen Tong (Carlsbad, Calif.) and Nestor Grace (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosed technology provides solutions for determining, by an AV, whether a roadway is closed by determining and understanding the intent of the emergency vehicle. A method comprises navigating an autonomous vehicle (AV) along a roadway; receiving road data, by the AV, wherein the road data correspond...