Distance traveled by vehicles owned, operated, or sold by the organization during the reporting period.
Organizations should footnote all assumptions used, including source of data.
This metric is intended to capture the total movement of vehicles using inland, road, or rail transport on a given network during the reporting period.
This metric aligns with Vehicle Kilometers Traveled (VKT); data are most commonly expressed in kilometers.
This metric can be used to calculate emissions intensity in the transport sector, dividing Greenhouse Gas Emissions: Total (OI1479).
June 2022 - IRIS v5.3 Released (current version)
Immaterial change. Minor revisions to definition and usage guidance for clarity.
IRIS Metrics Work Better in Sets
To use IRIS metrics—and the resulting data—to understand impact performance, IRIS metrics should be used and analyzed in generally accepted sets and according to well-defined objectives. IRIS+ gives you access to generally accepted Core Metrics Sets aligned to common Impact Themes and Sustainable Development Goals (SDGs).