Tesla investors have been eagerly awaiting the start of the company's robotaxi service as it attempts to catch up to other autonomous vehicle companies — such as Waymo, which already offers a driverless ride-hailing service in Austin and some other cities in partnership with Uber.

The launch of the EV maker’s robotaxi service would cap a decade of promises about autonomous vehicles by Tesla CEO Elon Musk.

Tesla plans to unleash self-driving Model Y crossovers onto city streets by the end of June. Here's what we know so far.