Rail travel emission factors
Passenger travel by train, metro or tram. From 8 libraries, filed in one model so one publisher's factor compares with another's.
What the 7 factor pages say
One chart per unit, since a kilogram and a kWh do not compare. Colour is the boundary, what the factor counts; every row also names it.
Per p.km · 6 factor pages
Linear scale, from 0- Transit Rail (i.e. Subway, Tram)Combustion0.0581
EPA Hub · United States · 2026
- Public Transport Passenger Travel - Rail - Metropolitan AverageCombustion0.027
MfE · New Zealand · 2024
- Rail - International railWell-to-use0.0125
DESNZ · United Kingdom · 2026
- RER (Paris area) and Transilien (suburban-train lines)Energy, full life cycle0.00978
ADEME · France · 2022
- Metro - Elektrisch, Groene stroomWell-to-use0
CO2emissiefactoren.be · Belgium · 2025
- Metro - (groene stroom)Well-to-use0
CO2emissiefactoren.nl · Netherlands · 2026
Per CAD
OpenIO-Canada puts Rail passenger transportation services at 0.704 kgCO₂e/CAD (Cradle to gate, 2022), the only factor page in this unit.
Source: the published factor pages, catalogue version 591.
Who publishes these factors
8 libraries publish them. Each name opens the library's page.
ADEME (29) and OpenIO-Canada (8) hold 59% of them; the other 6 publish the rest (26).
Source: open-climate.ai catalogue, version 591, coverage summed over libraries.
Every factor page
Sorted by library. Each factor is also on its library's page.
| Activity | Library | Region | Boundary | Value | Year |
|---|---|---|---|---|---|
| RER (Paris area) and Transilien (suburban-train lines) | ADEME | France | Energy, full life cycle | 0.00978 kgCO₂e/p.km | 2022 |
| Metro - Elektrisch, Groene stroom | CO2emissiefactoren.be | Belgium | Well-to-use | 0 kgCO₂e/p.km | 2025 |
| Metro - (groene stroom) | CO2emissiefactoren.nl | Netherlands | Well-to-use | 0 kgCO₂e/p.km | 2026 |
| Rail - International rail | DESNZ | United Kingdom | Well-to-use | 0.0125 kgCO₂e/p.km | 2026 |
| Transit Rail (i.e. Subway, Tram) | EPA Hub | United States | Combustion | 0.0581 kgCO₂e/p.km | 2026 |
| Public Transport Passenger Travel - Rail - Metropolitan Average | MfE | New Zealand | Combustion | 0.027 kgCO₂e/p.km | 2024 |
| Rail passenger transportation services | OpenIO-Canada | British Columbia | Cradle to gate | 0.704 kgCO₂e/CAD | 2022 |
Other subcategories
- Road freight913 factors · 17 pages
- Sea freight635 factors · 9 pages
- Car travel526 factors · 14 pages
- Multimodal freight325 factors · 5 pages
- Logistics and warehousing305 factors · 5 pages
- Pipeline transport214 factors · 5 pages
- Multimodal passenger travel179 factors · 4 pages
- Air travel156 factors · 8 pages
- Rail freight119 factors · 7 pages
- Bus and coach travel96 factors · 9 pages
- Air freight82 factors · 5 pages
- Inland waterway freight75 factors · 4 pages
- Motorcycle and scooter travel35 factors · 6 pages
- Ferry travel18 factors · 3 pages
Have a procurement file?
Send it and we'll match every line.