This study presents the development of various scenarios for energy planning for the transportation sector. The case study in this paper is the transportation system in the Yogyakarta Province of Indonesia. The transportation sector has the highest energy demand of all the other sectors in this province. Therefore, this sector is a significant contributor to greenhouse gas emissions. Four scenarios were developed, business as usual, mode change, fuel switch and efficient vehicle. The business as usual scenario is the reference scenario. Also, a scenario, called the mitigation scenario, which combines the mode change, fuel switch and efficient vehicle scenarios was also developed. An analysis of the energy demand projections and greenhouse gas emissions, in the form of CO2, NOx, and CH4, was conducted and the contribution of the aforementioned scenarios to low-carbon energy planning for the transportation sector was analyzed. Long-range energy alternative planning software was utilized to simulate the scenarios. The efficient vehicle scenario resulted in the highest reduction in energy demand. At the end of the projection period, this scenario reduced energy demand for the transportation sector by 15.82% compared to the reference scenario. The mitigation scenario reduced energy demand by 20.45% compared to the reference scenario in 2050. By implementing an efficient vehicle scenario, global warming potential can be reduced by 15.80%. The implementation of the mitigation scenario reduced global warming potential by 24.76% compared to the reference scenario.