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Emissions from transportation have a severe impact on the current climate crisis. Therefore, the estimation of these pollutants requires precise measurements that integrate both traffic and vehicle fleet information within a specific country or area. However, the current estimation tools continue using vehicle fleet standards based on recommendations or local studies. A problem for the current estimation models arises due to the difficulty of centralizing the large number of vehicle statistics. This article has taken advantage of the capabilities of both visual programming tools and building information modeling (BIM) to centralize databases from different sources, generating a model that integrates current traffic data and vehicle fleet statistics. The proposed platform estimates emissions and the carbon footprint using TIER 1 emission factors recommended by the European Environmental Agency (EEA). This platform has been successfully applied to a case study to estimate the carbon footprint of the B-20 road in Barcelona, using current vehicle restriction scenarios. This case study presents a maximum difference of -2.72% compared with the estimations made by another similar report. This proposed platform more completely automates the communication among the equations and databases required to estimate traffic road emissions., This work was supported in part by the National Agency for Research and Development (ANID) for the Scholarship Program ``DOCTORADO BECAS CHILE/2019'' Folio under Grant 72200098, in part by the Spanish Ministry of Economy and Competitiveness and the FEDER fund through the projects under Grant BIA2017-86811-C2-1-R (directed by Jose Turmo) and Grant BIA2017-86811-C2-2-R, in part by the Secretaria d' Universitats i Recerca of the Generalitat de Catalunya through Agaur under Grant 2017 SGR 1481, and in part by the Technology Cooperation Project of Shanghai Qizhi Institute under Grant SYXF0120020109., Peer Reviewed