---
id: twins/rancho-cordova
about:
  label: Rancho Cordova digital twin
  description: >-
    A drone-captured 3D model of about four square kilometres of Rancho Cordova,
    California, built by Niantic Spatial for the city and HMCI and already used
    for traffic simulation.
  tags:
    - Rancho Cordova
    - California
    - city model
    - drone capture
    - traffic simulation
    - robotics
twin:
  place: 'Rancho Cordova, California, USA'
  scale: city
  operational: operational
  homepage: >-
    https://www.nianticspatial.com/blog/rancho-cordova-hmci-city-scale-digital-twin-physical-ai
open:
  source: closed
  data: unknown
  api: unknown
  participation: unknown
domains:
  - places
  - mobility
provenance:
  origin: agent
  sources:
    - title: >-
        Niantic Spatial and HMCI Are Building the Foundation for City of Rancho
        Cordova's First Digital Twin for Physical AI
      url: >-
        https://www.nianticspatial.com/blog/rancho-cordova-hmci-city-scale-digital-twin-physical-ai
  created: '2026-10-21'
  reviewed: '2026-10-21'
  reviewed_by: >-
    Claude, from Niantic Spatial's announcement of 4 August 2026, the only page
    read. Mike Liebhold's synthesis of Niantic's work pointed to it.
  status: draft
---
Rancho Cordova is a city of about 85,000 people in the Greater Sacramento region.[^1] In January the city and the Human Machine Collaboration Institute (HMCI) launched AiR Rancho Cordova, a programme to grow a local AI and robotics economy.[^1] The city put $5 million into it over three years.[^1]

The twin is the base layer of that programme.[^1] Over a few days in the summer of 2026 Niantic Spatial flew drones over the city's Innovation Region, about four square kilometres, and reconstructed it in 3D.[^1] Niantic says the model is detailed enough to read a building sign and measure the width of a street.[^1] HMCI already runs traffic simulations on the model.[^1] Capturing the rest of the city is the announced next step.[^1]

Three groups are meant to share the model.[^1] Robotics companies get a real street to test on before they deploy.[^1] Researchers at UC Davis and Sacramento State get a common dataset.[^1] City staff can walk stakeholders through a proposed change, or try a traffic scenario without closing a lane.[^1]

Niantic argues that drone capture and automated reconstruction have made a city twin affordable for a mid-sized place, where it used to take years of survey work.[^1] The announcement gives no price for the capture and does not say whether the model or its data will be open.[^1]