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Investigations of impacts of junction design on emissions: are our junctions sustainable?

Wafaa Saleh (Transport Research Institute, Edinburgh Napier University, Edinburgh, UK)
Alistair Lawson (School of Computing, Edinburgh Napier University, Edinburgh, UK)

World Journal of Science, Technology and Sustainable Development

ISSN: 2042-5945

Article publication date: 1 February 2013

463

Abstract

Purpose

The purpose of this paper is an investigation of driving behaviour and impacts on emissions at two traffic junctions.

Design/methodology/approach

A signalised junction and a roundabout in Edinburgh have been selected. An instrumented car has been used and a GPS to monitor driving activities as well as a gas analyser to monitor the vehicle's emissions during the evening peak hour.

Findings

Vehicles’ emissions are affected by a large number of factors including characteristics of the engine and the vehicle, characteristics of the road, the fuel used and driving behaviour.

Originality/value

Different methods and approaches have been used to investigate the behaviour of vehicles at various traffic junctions. The main aim, however, has mostly been to reduce travel times as well as traffic delays and queues at the junction. Consideration of environmental impacts has also been made, but often as a by‐product of congestion reduction and not as a main aim.

Keywords

Citation

Saleh, W. and Lawson, A. (2013), "Investigations of impacts of junction design on emissions: are our junctions sustainable?", World Journal of Science, Technology and Sustainable Development, Vol. 10 No. 2, pp. 143-151. https://doi.org/10.1108/20425941311323145

Publisher

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Emerald Group Publishing Limited

Copyright © 2013, Emerald Group Publishing Limited

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