The robotaxi company Cruise has resumed manual driving on public roads six months after halting all its journeys in response to an accident involving a pedestrian in San Francisco. The company, a subsidiary of US car giant General Motors, said in a blog post on Tuesday that it would resume “manual driving to create maps and gather road information in select cities, starting in Phoenix,” in the US state of Arizona. “This work is done using human-driven vehicles without autonomous systems engaged, and is a critical step for validating our self-driving systems as we work towards returning to our …