Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14680
Title: Assessing the environmental impact of different trip motives
Authors: BECKX, Carolien 
Lefebvre, W.
Degraeuwe, B.
VANHULSEL, Marlies 
KOCHAN, Bruno 
BELLEMANS, Tom 
Dhondt, S.
INT PANIS, Luc 
Issue Date: 2013
Source: TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT, 18, p. 110-116
Abstract: We examine how trips with diverse motivations vary in their spatio-temporal characteristics and result in different impacts on the environment. An integrated model chain is used includes an activity-based traffic demand model, an emission model and a pollutant concentration module. The model setup is applied to the northern region of Belgium and analysed for NO2, an important transport-related air pollutant. The results demonstrate that not every vehicle kilometer has the same impact on the environment in terms of emissions and concentration increases. We find that the highest concentration increase per kilometer is produced by work-related trips. Trips for shopping purposes and services produced the lowest marginal concentration increase. The difference between the highest and lowest marginal concentration increases is about 40%. Important explanatory factors include the time of day when a trip is made as well as vehicle type and speed.
Keywords: Trip purpose; Vehicle emissions; Vehicular environmental impacts; Timing of trips
Document URI: http://hdl.handle.net/1942/14680
ISSN: 1361-9209
e-ISSN: 1879-2340
DOI: 10.1016/j.trd.2012.10.002
ISI #: 000314017400017
Category: A1
Type: Journal Contribution
Validations: ecoom 2014
Appears in Collections:Research publications

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