The BT subsidiary, operator of the UK’s largest broadband network and the country’s second-largest commercial fleet, has built a digital twin of the UK’s transport and broadband infrastructure on Vertex AI, and is using Gemini Enterprise to cut engineering overhead by more than half.

Openreach , the BT subsidiary that operates the UK’s largest broadband network , has expanded its collaboration with Google Cloud to bring AI into two of its most operationally intensive challenges: rolling out full-fibre broadband to 25 million premises by the end of 2026, and decarbonising a fleet of 24,000 commercial vans that collectively cover almost 200 million miles a year. The company announced the expanded partnership on Wednesday.

The fleet work is running on BigQuery.…