This study report presents the process of development a tool for assessment and evaluation of sustainable urban transport systems in cities in the Asia-Pacific region. The report explains and illustrates how the Sustainable Urban Transport Index (SUTI) was developed. It outlines the development of a conceptual framework based on existing literature and policies on sustainable development and transport, including the Sustainable Development Goals. The report illustrates the process of identification, review and selection of indicators related to urban transport. It also elaborates the ways to normalize the indicators, weigh and calculate the elements of index. The conceptual framework, process of selection of indicators and development of the index was reviewed by two group of experts who attended the expert and regional meeting in Kathmandu and Jakarta.