H01 — What is TUNES
TUNES = Transit User Noise Experience Survey.
Does
- Passenger measures noise on ordinary rail journeys (iPhone-first)
- Optional short perception survey after the trip
- Publishes a quieter-journey / noise map
- Publishes an open methodology + versioned dataset (often the more important output)
Does not
- Replace TfL / Class 1 professional surveys
- Imply TfL endorsement
- Claim health “risk scores” or engineering-grade accuracy at foundation stage
Who it helps
| Audience | Value |
|---|---|
| Passengers / parents / sensory-sensitive travellers | Compare routes |
| Researchers / journalists / civic groups | Repeated real-world evidence |
| Operators / authorities | Recurring passenger pain points (as signals, not substitutes) |
Principles (short)
Open · private by default · auditable · honest about uncertainty · offline-first capture · versioned for reproducibility · London-first portable schema · resistant to false precision
Detail
project charter · scope · measurement philosophy · why TUNES exists