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Driving speeds in Europe for pollutant emissions estimation
André, M., INRETS, Fr. Natl. Transp. Safety Res. I., Bron Cedex, France.
2000 (English)In: Transportation Research Part D: Transport and Environment, ISSN 1361-9209, Vol. 5, no 5, 321-335 p.Article in journal (Refereed) Published
Abstract [en]

The sensitivity of the pollutant emissions as regards the driving speed is demonstrated using emission functions currently available from the literature. An accurate and detailed knowledge of the actual driving speeds is then fundamental for emissions estimations and inventories. However, speed information is often limited and heterogeneous. Through a European synthesis, we examine the various means of investigations: surveys, vehicle instrumentation, traffic modelling, etc. The available statistics provide a high number of reference values for passenger cars and duty vehicles by broad categories and highlight the influence of numerous factors on speed: time period, city size and area, trips origin and destination and vehicle types. Speed estimations and ranges are proposed for the driving in urban areas, on rural roads and on motorways. The significant variations of the speed according to the time of the day, to the areas of a city, and the large dispersion for a given situation raise the question of using single average values. In fact, emissions estimation can be affected by 30% by the quality of the driving speed data. (C) 2000 Elsevier Science Ltd. All rights reserved.The sensitivity of the pollutant emissions as regards the driving speed is demonstrated using emission functions currently available from the literature. An accurate and detailed knowledge of the actual driving speeds is then fundamental for emissions estimations and inventories. However, speed information is often limited and heterogeneous. Through a European synthesis, we examine the various means of investigations: surveys, vehicle instrumentation, traffic modelling, etc. The available statistics provide a high number of reference values for passenger cars and duty vehicles by broad categories and highlight the influence of numerous factors on speed: time period, city size and area, trips origin and destination and vehicle types. Speed estimations and ranges are proposed for the driving in urban areas, on rural roads and on motorways. The significant variations of the speed according to the time of the day, to the areas of a city, and the large dispersion for a given situation raise the question of using single average values. In fact, emissions estimation can be affected by 30% by the quality of the driving speed data.

Place, publisher, year, edition, pages
2000. Vol. 5, no 5, 321-335 p.
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Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-47598DOI: 10.1016/S1361-9209(00)00002-XOAI: oai:DiVA.org:liu-47598DiVA: diva2:268494
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2011-01-14

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Citation style
  • apa
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