Network for Transport Measures

Bus travel baselines 2018

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These baselines are based on data available in NTMCalc 4.0, literature reviews and expert interviews. The settings aim to reflect on general road traffic by bus. In general we recommend use of real data if available at sufficient quality. NTM default data are conservatively assessed and should if used thereby not enable low emission calculations. Furthermore they should promote actual used buses real data in relation to NTM default data, hence being used in the procurement of bus services.

Clarifications and abbreviations

NTM name

Describes type of bus


Describes type of fuel used.  Average diesel fuel and B5 refers to 5% biodiesel


Refers to emission standard

Road gradient

Describe road topography as this has an influence on fuel consumption


Relates to the average number people in the bus.

Use weight

Is used to artificially design an average bus based on weigthed average of all options.


Use of energy, including fuel production/ distribution and the combustion (wtw). Only combustion is ttw.


Emissions of carbon dioxide equivalents including fuel production, distribution and the combustion (wtw).

CO2 fossil

Emissions of fossil carbon dioxide in the combustion phase (ttw).


NTMCalc 4.0;

Handbook for emission factors