Real ChatGPT answer · index seedGuCgXKPFKRIcompleteTravel and hospitality · destinationsinformational
What is the cheapest transit route from Heathrow Airport into central London using the Underground instead of the expensive Express train?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
What is the cheapest transit route from Heathrow Airport into central London using the Underground instead of the expensive Express train?
1 real search · 1 real-search pass
TfL Heathrow Airport Underground Piccadilly line fare to Zone 1 2026 contactless Oyster single fareGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 1 queries…
Searches and sources
ChatGPT1 real searches · gpt-6
TfL Heathrow Airport Underground Piccadilly line fare to Zone 1 2026 contactless Oyster single fare Google ↗
- Travelling on the London Underground to Heathrow Airport | Heathrow · heathrow.com
- Fares from 2 March 2025 · tfl.gov.uk
- Heathrow to central London, every option ranked · thelondonverdict.com