Transport Co-benefits Calculator

From Open Energy Information

This Excel-based calculator is a simple and intuitive tool to support the quantification of collateral benefits of transport projects and policies in Asia.

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This tool is included in the Development Impacts Assessment (DIA) Toolkit from the LEDS Global Partnership.


IGES’ calculator is a simple, Excel-based tool to quantify the co-benefits of transport projects and policies. A set of user-friendly, step-by-step guidelines for policymakers, transport planners, and development specialists interested in quantifying co-benefits of transport projects in Asia is also provided.

When to Use This Tool

This tool is most useful for development impacts assessments focused on:

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Learn more about the topics for assessing the impacts of low-emission development strategies (LEDS).

Key Outputs

Annual estimates of: number of accidents and their cost, emissions and their costs, travel time costs, and vehicle operating costs.

How to Use This Tool

Training Available
Graphical user interface walks user through calculation process

Level of Expertise

Key Inputs

A description of the transport system: number, type, fuel, and efficiency of the existing fleet, traffice volume, speeds, etc.

Case Studies

Examples of how Transport Co-benefits Calculator has helped people assessing the impacts of low-emission development strategies in countries and regions:

The downloadable guideline booklet (PDF) feature two case studies.