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Open AccessArticle

Speed Limit Induced CO2 Reduction on Motorways: Enhancing Discussion Transparency through Data Enrichment of Road Networks

Faculty of Business, Economics and Management Information Systems, University of Regensburg, 93053 Regensburg, Germany
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Sustainability 2021, 13(1), 395; https://doi.org/10.3390/su13010395
Received: 16 November 2020 / Revised: 26 December 2020 / Accepted: 30 December 2020 / Published: 4 January 2021
(This article belongs to the Special Issue Sustainable Operations and Logistics)
Considering climate change, recent political debates often focus on measures to reduce CO2 emissions. One key component is the reduction of emissions produced by motorized vehicles. Since the amount of emission directly correlates to the velocity of a vehicle via energy consumption factors, a general speed limit is often proposed. This article presents a methodology to combine openly available topology data of road networks from OpenStreetMap (OSM) with pay-per-use API traffic data from TomTom to evaluate such measures transparently by analyzing historical real-world circumstances. From our exemplary case study of the German motorway network, we derive that most parts of the motorway network on average do not reach their maximum allowed speed throughout the day due to traffic, construction sites and general road utilization by network participants. Nonetheless our findings prove that the introduction of a speed limit of 120 km per hour on the German autobahn would restrict 50.74% of network flow kilometers for a CO2 reduction of 7.43% compared to the unrestricted state. View Full-Text
Keywords: road network analysis; CO2 emissions; speed limits; traffic; navigation services road network analysis; CO2 emissions; speed limits; traffic; navigation services
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MDPI and ACS Style

Kunkler, J.; Braun, M.; Kellner, F. Speed Limit Induced CO2 Reduction on Motorways: Enhancing Discussion Transparency through Data Enrichment of Road Networks. Sustainability 2021, 13, 395. https://doi.org/10.3390/su13010395

AMA Style

Kunkler J, Braun M, Kellner F. Speed Limit Induced CO2 Reduction on Motorways: Enhancing Discussion Transparency through Data Enrichment of Road Networks. Sustainability. 2021; 13(1):395. https://doi.org/10.3390/su13010395

Chicago/Turabian Style

Kunkler, Jan; Braun, Maximilian; Kellner, Florian. 2021. "Speed Limit Induced CO2 Reduction on Motorways: Enhancing Discussion Transparency through Data Enrichment of Road Networks" Sustainability 13, no. 1: 395. https://doi.org/10.3390/su13010395

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