Tesla has brought its self-driving Robotaxi service to Miami, marking the fifth city where the company is offering autonomous rides.

The rollout happened on Friday, according to a post from Tesla's social media account cited by Grace Kay of The Information. What makes this launch notable is what's missing: the Miami service is operating without a human safety monitor in the vehicle, according to The Information's reporting.

Safety monitors — people who sit in the car ready to take over if the automated system makes a mistake — have been a common feature of robotaxi pilots across the industry. Removing that human backstop signals growing confidence in the technology, but it also raises the stakes if something goes wrong.

The Miami expansion is part of a larger push. According to The Information, Tesla aims to bring its Robotaxi service to a dozen US states by the end of 2026. That is an aggressive timeline for a technology that regulators, city officials, and the public are still learning how to oversee.

Why it matters: whether driverless taxis can operate safely at scale — and without a human in the loop — is one of the central questions in transportation right now, and Tesla's rapid, monitor-free expansion will be a closely watched test of that promise.