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Evaluation of low traffic neighbourhood (LTN) impacts on NO2 and traffic

Yang, Xiuleng, McCoy, Emma, Hough, Katherine and de Nazelle, Audrey (2022) Evaluation of low traffic neighbourhood (LTN) impacts on NO2 and traffic. Transportation Research Part D: Transport and Environment, 113. ISSN 1361-9209

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Identification Number: 10.1016/j.trd.2022.103536


Traffic restriction measures may create safer and healthier places for community members but may also displace traffic and air pollution to surrounding streets. Effective urban planning depends on understanding the magnitude of changes resulting from policy measures, both within and surrounding intervention areas; these are largely unstudied in the case of Low traffic Neighbourhoods (LTN). We evaluated impacts of three LTNs in the London Borough of Islington, UK, on air pollution and traffic flows in and around intervention areas, based on monthly Nitrogen Dioxide (NO2) and traffic volume data provided by the local authority. We identified pre- and post-intervention monitoring periods and intervention, boundary and control sites. We then adapted the generalised difference in differences approach to evaluate the effects within LTNs and at their boundary. We found that LTNs have the potential to substantially reduce air pollution and traffic in target areas, without increasing air pollution or traffic volumes in surrounding streets. These results provide sound arguments in favour of LTNs to promote health and wellbeing in urban communities.

Item Type: Article
Official URL:
Additional Information: © 2022 The Author(s)
Divisions: Statistics
Subjects: H Social Sciences > HE Transportation and Communications
H Social Sciences > HA Statistics
Date Deposited: 30 Nov 2022 12:24
Last Modified: 07 Jun 2024 20:24

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