| Summary: | Measuring the sustainability of transportation services can be challenging without proper methods. United Nations has developed an Excel-based tool, the Sustainability Urban Transport Index (SUTI), to assess sustainability in Asian urban transport. This tool includes ten indicators covering environmental, social, and economic dimensions. The aim is to extend SUTI’s use beyond public transport to other areas. This study focuses on applying SUTI to the air freight system, requiring the integration of new elements into a tailored framework. Some indicators from the original SUTI cannot be directly applied to air freight. After a literature review, four indicators were identified for replacement with new methods and formulas. The proposed framework allows practitioners to evaluate the sustainability performance of Malaysia’s air freight system. It helps identify areas for improvement, implement targeted strategies, and monitor the effectiveness of sustainability initiatives in the industry. © 2023 UMT Press. All Rights Reserved.
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