Stone to Silicon

Transport & space · 2020

Driverless robotaxi service

Waymo opens fully driverless paid rides to the public in Phoenix.

In October 2020 Waymo began offering public rides with no safety driver in suburban Phoenix. It expanded to San Francisco, Los Angeles and Austin and passed 250,000 paid rides per week in 2025. Tesla launched a supervised robotaxi pilot in Austin in June 2025.

See it in the living treeWikipedia

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

What it led to 2

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Related measurements

The dashed line marks when it first worked.

Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)

Electric share of new car sales Latest: Battery electric: 16.5 % of new cars (2025) Source: Our World in Data