Google is launching a ride-hailing service in San Francisco as the tech giant pushes to compete with Uber and Lyft, The Wall Street Journal reported Tuesday.

The report comes just one day after an executive at Google parent company Alphabet stepped down from Uber’s board amid growing concern over conflicts of interest between the two companies.

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Google will use the Waze mapping and traffic app, which it acquired in 2013, to connect riders with drivers who are already headed in the same direction, according to the Journal.

The goal is to offer rates so cheap that it will discourage drivers from operating as on-demand taxi drivers, which has largely been the business model of Uber and Lyft.

Any Waze user in San Francisco will be able to sign up as a driver, but riders will be limited to employees of several large firms in the area.

Google reportedly doesn’t plan to vet drivers with background checks, but instead will rely on user reviews to “weed out problem drivers.”

Google and Uber have increasingly become rivals, as both companies have jumped into the driverless car race.

Uber is deploying semi-autonomous vehicles in Pittsburgh this month, while Google is allegedly considering testing driverless cars in its ride-hailing service.