In this today, global warming has become the most important global problem threatening human life. One of the main sources of greenhouse gases that cause global warming is the transportation sector. In this study, the carbon footprint resulting from road transport in Sivas province was determined in a 7-year time period, including the years 2015-2021, and its contribution to global warming was investigated. In order to determine the carbon footprint, the methodology determined by the Tier 1 and Tier 2 approaches proposed by the Intergovernmental Panel on Climate Change (IPCC) was used. As a result of the study, it has been calculated that the $CO_2$ emissions from road transportation are 640 $Gg CO_2 and 634 Gg CO_2$, respectively, according to the Tier 1 and Tier 2 approaches. Among both methods, the highest CO2 emission was achieved in 2018 and the lowest $CO_2$ emission was achieved in 2015, and it was determined that the main factor affecting $CO_2$ emissions was the amount of fuel consumption. It has been determined that there is a 20 % increase in $CO_2$ emissions in 2021 compared to 2016. It has been determined that diesel fuel contributes to the highest $CO_2$ emission among fuel oils and automobiles contribute to the highest$CO_2$ emissions.