Waymo remains the most broadly deployed robotaxi operator, running paid, fully driverless rides across a growing number of US metro areas as of mid-2026, having added several new cities over the prior year. Tesla began a more limited robotaxi pilot in Austin, Texas in 2025, initially operating with a safety monitor in the vehicle rather than fully driverless, and has been expanding cautiously since. Other operators, including Zoox and China's Baidu Apollo Go, run service in specific cities under their own regulatory approvals. The common thread: expansion is city-by-city and regulator-by-regulator, not a single national rollout, and every operator has faced at least some incidents or slowdowns along the way.
At a glance
| Operator | Approach as of mid-2026 |
|---|---|
| Waymo | Fully driverless paid rides across multiple US metro areas, expanding coverage steadily |
| Tesla | Limited robotaxi pilot beginning in Austin (2025) with a safety monitor, expanding cautiously |
| Zoox (Amazon) | Purpose-built robotaxi testing and limited service in select cities |
| Baidu Apollo Go | Operating robotaxi service in several Chinese cities under local regulatory approval |
Why robotaxi expansion is city-by-city, not nationwide
Operating a driverless vehicle commercially requires approval that's typically granted at the city or state level in the US, not as a single blanket federal permission, because road conditions, weather, traffic patterns, and local regulator comfort vary enormously. That's why the same company can be running full driverless service in one metro area while still using human safety monitors in another — each market represents a separate technical and regulatory validation process, not just a switch being flipped.
Where the leading operators actually stand
Waymo has the longest track record and the broadest current footprint, having spent years testing before commercial launch and steadily adding cities as it accumulates driving data and regulatory approval. Tesla's robotaxi effort launched later and more cautiously, starting with human safety monitors aboard in its initial Austin service before working toward removing them — a materially different starting point than Waymo's approach of extensive closed testing before any paid public rides. Zoox, built by Amazon around a purpose-designed vehicle rather than a retrofitted consumer car, has focused on a smaller number of markets with a more deliberate rollout pace. Outside the US, Baidu's Apollo Go has scaled robotaxi service across several Chinese cities under China's own regulatory framework.
The safety-monitor distinction matters
A vehicle with a human safety monitor in the driver's seat, ready to intervene, is a meaningfully different product and risk profile than one with genuinely no one in the vehicle capable of driving. News coverage doesn't always make this distinction clear, so when comparing operators, it's worth checking whether a given service is fully driverless or still running with an onboard safety attendant.
| Question to ask about any robotaxi service | Why it matters |
|---|---|
| Is there a human in the driver's seat? | Determines whether it's genuinely driverless or supervised testing |
| Is it a paid public service or a limited pilot? | Pilots often have far more restrictions on time, weather, and area |
| What's the geofenced service area? | Nearly all robotaxi services are limited to specific mapped zones, not city-wide |
Every robotaxi operator has experienced incidents, slowdowns, or regulatory pauses at some point. Treat any single dramatic headline as one data point, not a verdict on the whole technology.
Where this is headed
Expect continued gradual city-by-city expansion from the leading operators, ongoing competition on both technology and cost per ride, and continued patchwork regulation rather than a unified national or global standard for driverless ride-hailing in the near term. Weather resilience, unusual road situations, and interactions with pedestrians and cyclists remain the areas most cited by regulators as needing continued validation before broader expansion.
Frequently asked questions
Is Tesla's robotaxi service fully driverless?
Which company operates the most robotaxi cities?
Can I hail a robotaxi in most cities?
Are robotaxis regulated the same way everywhere?
Have robotaxis had safety incidents?
Sources & further reading
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