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Impact per km

Notes

Different types of train have different carbon impacts per passenger per kilometre. We calculate a weighted average in proportion to the total number of kilometres travelled on each type of train at national level. Source: Transport Regulation Authority

Passenger.km distribution

How is this figure calculated?

Formule:
- Somme:
  - Proportion TGV * TGV
  - Proportion TER * TER
  - Proportion intercités * intercités

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