Driving speeds in Europe for pollutant emissions estimation

被引:91
作者
André, M
Hammarström, U
机构
[1] French Natl Transport & Safety Res Inst, INRETS, F-69675 Bron, France
[2] Swedish Natl Rd & Transport Res Inst, VTI, SE-58195 Linkoping, Sweden
关键词
Motorways;
D O I
10.1016/S1361-9209(00)00002-X
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
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.
引用
收藏
页码:321 / 335
页数:15
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