Guidance

WebTAG: environmental impacts worksheets

• From: Department for Transport
• Published: 29 October 2013
• Last updated: 16 March 2017, see all updates

Transport Analysis Guidance (TAG) provides information on the role of transport modelling and appraisal.

Documents

Air quality valuation workbook

MS Excel Spreadsheet, 180KB

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Air quality sensitivity workbook: main

MS Excel Spreadsheet, 185KB

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Air quality sensitivity workbook: MECs

MS Excel Spreadsheet, 174KB

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Local air quality workbook

MS Excel Spreadsheet, 105KB

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Biodiversity worksheet

MS Excel Spreadsheet, 27.3KB

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Greenhouse gases workbook

MS Excel Spreadsheet, 98.1KB

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Historic environment worksheet

MS Excel Spreadsheet, 27.1KB

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Landscape worksheet

MS Excel Spreadsheet, 27KB

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Noise workbook

MS Excel Spreadsheet, 443KB

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Townscape worksheet

MS Excel Spreadsheet, 27.3KB

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Water environment worksheet

MS Excel Spreadsheet, 27.2KB

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Details

These worksheets are used to present the results of a transport scheme appraisal as part of a business case.

In December 2015 the department released a new set of workbooks to aid in the calculation of monetised impacts of noise, air quality and greenhouse gas emissions in appraisal, following spreadsheet best practice guidance. The noise workbook implements changes described in the forthcoming change document on noise valuation, while there are no changes to the method or values for air quality or greenhouse gases.

WebTAG provides information on the role of transport modelling and appraisal, and how the transport appraisal process supports the development of investment decisions and business cases.

Document information

Published: 29 October 2013

Updated: 16 March 2017

+ full page history

1. 16 March 2017 Updated air quality workbooks.
2. 28 July 2016 Updated workbooks on air quality, greenhouse gases and noise.
3. 23 December 2015 Air quality valuation, greenhouse gases and noise workbooks replaced.
4. 10 November 2014 Updated workbooks on air quality, greenhouse gases and noise released.
5. 28 May 2014 Updated workbooks on air quality, greenhouse gases and noise released.
6. 29 October 2013 First published.

From: Department for Transport