THE ROBOTAXI REPORT

The robotaxi week in five minutes. Published every Monday. Every claim sourced.

ISSUE #10 · Week 39, 2026 · September 21, 2026

Waymo Takes Vegas While NHTSA Puts the Cybercab Under Oath

🚖 Executive Summary

Waymo opened its 15th US market this week, launching invite-based public rides in Las Vegas on September 14 with dozens of Ojai minivans on the Strip. Three days later it announced Singapore as its next international target, with a public launch planned for 2028, and restarted San Antonio service after a five-month flood-safety pause. Tesla had a rougher week: NHTSA escalated its Cybercab investigation to a formal Special Order, demanding sworn answers by September 30 on how a car with no brake pedal or mirrors can self-certify to federal safety standards, with up to $139 million in penalties on the table. Tesla also put the Cybercab on display in China — while explicitly ruling out selling it or running a robotaxi service there. Elsewhere, Zoox's 100-vehicle Nevada cap expires September 25, and May Mobility is going public in a $1.4 billion SPAC deal.

📰 The Week's Top Stories

01

NHTSA orders Tesla to prove the Cybercab is legal — under oath

NHTSA escalated its Cybercab probe to a formal Special Order with 21 detailed requests, demanding Tesla explain by September 30 how a vehicle with no brake pedal, mirrors, or driver controls complies with federal safety standards it self-certified against. Incomplete or false responses carry up to $139 million in civil penalties. Unlike Zoox, Tesla never obtained a Part 555 exemption for a non-standard vehicle.

Why it matters: The order challenges the legal foundation of the Cybercab itself, not just its driving — an adverse finding could stall Tesla's purpose-built robotaxi.

Electrek · 2026-09-15
02

Waymo opens Las Vegas — its 15th market

Waymo began invite-based public rides in Las Vegas on September 14 with dozens of Ojai minivans serving the Strip south of Highway 589 and Boulder Junction. The company says it will open to everyone within a month or two, following the playbook it has used in 14 other cities. Its Nevada permit allows up to 1,000 vehicles.

Why it matters: Las Vegas is the first US market where four robotaxi operators (Waymo, Zoox, Motional, Tesla-permitted) are converging head-to-head.

TechCrunch · 2026-09-14
03

Waymo names Singapore its next international market, targeting 2028

Waymo announced it will bring its ride-hailing service to Singapore, working with the Ministry of Transport and Land Transport Authority. Jaguar I-Pace vehicles arrive in the coming months, a readiness phase runs through 2027, and public commercial launch is planned for 2028. It joins London, Munich, and Tokyo on Waymo's international roadmap.

Why it matters: Singapore is one of the world's most tightly regulated transport markets — a launch there is a credibility signal for every other Asian regulator.

Waymo · 2026-09-17
04

Zoox's 100-robotaxi Nevada cap disappears September 25

An updated Nevada Transportation Authority permit lets Amazon-owned Zoox exceed its 100-vehicle limit starting September 25. Zoox says it will steadily grow its fleet to meet Las Vegas demand — currently its only paid market, served by an estimated 30+ purpose-built pods, with roughly 100 robotaxis total across Las Vegas, San Francisco, Austin, and Miami.

Why it matters: The cap lift arrives just as Waymo enters Las Vegas, setting up the first real purpose-built-vs-retrofit fleet race in one city.

TechCrunch · 2026-09-17
05

May Mobility goes public in $1.4B SPAC deal

Autonomy firm May Mobility is merging with ACP Holdings Acquisition Corp at a $1.4 billion valuation, raising over $300 million. The asset-light company sells autonomous Toyota Siennas to fleet partners and collects licensing fees; it runs with Lyft in Atlanta and in two Minnesota cities, with an Arlington, TX launch alongside Uber planned by late 2026 or early 2027. Last year: $10 million revenue against $93 million cash burn.

Why it matters: It's the first robotaxi pure-play to test public markets this cycle — and its thin revenue shows how far the economics still have to travel.

TechCrunch · 2026-09-16
06

Waymo restarts San Antonio after 5-month flood-safety pause

Waymo resumed San Antonio rides — including airport trips — on September 17, five months after pausing when floodwaters swept away one of its cars. The company audited flood zones, added location restrictions and weather alerts, and improved the Waymo Driver's ability to detect and steer away from floodwater.

Why it matters: Weather remains one of the last hard problems for robotaxis, and this is the first documented case of a company re-engineering around a flood failure.

KSAT · 2026-09-17
07

Tesla shows the Cybercab in China — but rules out selling or operating it there

Tesla put the Cybercab on display in Beijing and Shanghai for the first time, while stating the showcase 'does not involve the sale of the Cybercab in the Chinese market or any arrangement for driverless ride-hailing commercial operations.' With no steering wheel or pedals, the car can't be registered by consumers in China, where Baidu's Apollo Go, Pony.ai, and WeRide already run paid driverless services.

Why it matters: Tesla is using the Cybercab as a showroom draw in a market where domestic rivals are years ahead on actual driverless operations.

Electrek · 2026-09-16

📈 Scoreboard Changes

🏆 Winner of the Week

Waymo

A 15th US market opened in Las Vegas, Singapore joined the international roadmap, and San Antonio came back online — while Tesla spent the week answering a federal Special Order about whether its flagship robotaxi is even legal.

🔮 The Road Ahead

Las Vegas is shaping up as the industry's first true four-way battleground: Waymo just went live, Zoox's vehicle cap lifts September 25, Motional is incumbent, and Tesla holds a permit for up to 5,000 vehicles it hasn't yet used. Watch whether Zoox actually scales past 100 pods before year-end, and whether Waymo's invite phase opens to all riders on the promised one-to-two-month timeline. The bigger swing factor is regulatory: Tesla's sworn Special Order response is due September 30, and how NHTSA reacts will signal whether pedal-less vehicles need Part 555 exemptions — the route Zoox took — or whether self-certification survives. Internationally, Waymo's Singapore filing joins Tokyo (2027 target, with liability shifted to local operator Nihon Kotsu) and London/Munich on the roadmap; watch for which regulator lets driverless wheels turn first.

The Road Ahead is analysis and forecast, not established fact — and nothing in this report is investment advice.

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