“The P.P.A. is cooperating with federal law enforcement officials and providing all of the information that we have” about Greyball, Martin O’Rourke, a department spokesman, said in a statement. WHYY, a Philadelphia public radio station, earlier reported that the transit agency had been contacted by the Justice Department.
Uber declined to comment on the transit agency’s actions or the federal inquiry.
The growing investigation added to the woes of Uber, which is the world’s dominant ride-summoning service. This year, the company has also grappled with allegations of a harassment-ridden workplace culture and questions over the leadership of its chief executive, Travis Kalanick. In addition, Uber is embroiled in a bitter lawsuit with Waymo, the self-driving car unit spun out of Google’s parent company, over accusations of stolen trade secrets concerning autonomous vehicles.
Greyball, which Uber began using as early as 2014, was sometimes deployed when the company started service in a city without permission. Uber has argued the tool had legitimate uses, such as disguising the locations of drivers from competitors or would-be attackers.
Uber now operates in both Portland and Philadelphia legally.
Dan Saltzman, commissioner of the Portland Bureau of Transportation, said on Friday that the city would continue looking into Greyball.
“We support the criminal investigation by the United States Department of Justice into Uber’s use of the Greyball tool to evade regulators, and will continue to move forward with our own efforts to subpoena the requested records from Uber,” Mr. Saltzman said in a statement. The agency is seeking Uber’s records related to Greyball, according to the statement.
In response, Bryce Bennett, Uber’s general manager for Oregon, said in a statement that Portland’s transportation audit had “found no evidence that Uber has used Greyball or any…