RIDE | Research on Infrastructure in Developing Economies
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Publication from High Volume Transport

Transport Decarbonisation Index Methodology Report

Published: December 2024

Main topic: Climate change, Climate Finance

Study countrie(s): Low-and middle-income countries

Written by: Alvin Mejia, Benjamin Berthet, Jacob Teter, Lew Fulton, Pierpaolo Cazzola

Published by: Partnership on Sustainable, Low Carbon Transport (SLoCaT), Urban Electric Mobility Initiative (UEMI)

Study type: Project report

This report outlines the complete methodological framework for the Transport Decarbonisation Index (TDI), covering all essential elements for assessing a country, including indicators, normalisation, weighting and aggregation approaches. It details the calculation methods at every level of the TDI, such as indicators, dimensions and the overall composite score. Following the assessment, the TDI supports informed policy making by offering illustrative, non-prescriptive policy guidance. The TDI will be made accessible through a spreadsheet toolkit.

The TDI methodology report provides a comprehensive explanation for specific types of end users, namely researchers and practitioners, offering detailed background information on how the TDI functions. It includes calculation methods, a final list of indicators and high-level strategies to address data gaps.