1. Ahvenniemi, H., Huovila, A., Pinto-Seppä, I., Airaksinen, M.: What are the differences between sustainable and smart cities. Cities 60, 234–245 (2017)
2. Arnott, K.S.R.: The economics of traffic congestion. Am. Sci. 82(5), 446–455 (1994)
3. Chapman, L.: Transport and climate change: a review. J. Transp. Geogr. 15, 354–367 (2007)
4. European Commission: Communication from the commission. Smart cities and communities – European innovation partnership. Brussels (2012).
https://ec.europa.eu/digital-single-market/en/news/smart-cities-and-communities-european-innovation-partnership-communication-commission-c2012
. Accessed 4 Oct 2018
5. Gentile, G.: Real-time traffic monitoring and forecast through OPTIMA – optimal path travel information for mobility action. In: 2nd International Conference on Models and Technologies for Intelligent Transportation Systems, Leuven, Belgium, 22–24 June 2011 (2011)