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On Wednesday, Waymo expanded its service area in Los Angeles County, where its vehicles now roam an area of more than 120 square miles.

The number they came up with was 9.5 million square miles of new trees — more land area than North America and part of South America.

Starting Wednesday, the driverless taxis will roam more than 120 square miles of Los Angeles County, stretching from Santa Monica to downtown and from West Hollywood to Inglewood.

In all, the tribe now owns an additional 73 square miles along the lower Klamath River, including much of the Blue Creek watershed.

The area is a few blocks within a city that’s just over 500 square miles.