Tesla did not say whether its latest service area expansion in Austin will include more vehicles added to the fleet. Tim Goessman/Bloomberg via Getty Images Tesla on Wednesday said it expanded the coverage area in Austin for unsupervised robotaxis. The company didn't say if it was adding more vehicles within the service zone. Tesla's fleet in Austin has mostly remained stagnant, with records showing 42 vehicles on the road. Tesla is expanding the service area for unsupervised robotaxis in Aust