Stone to Silicon

Artificial intelligence · 2020

Driverless robotaxi service

Members of the public hail cars with nobody in the driver's seat.

Waymo opened fully driverless rides to the public in Phoenix in October 2020, then San Francisco and Los Angeles. By 2025 it was giving over 250,000 paid rides a week, with crash rates well below human drivers in its published data.

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 1

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