The Belgrade Metro and Train Company was founded with the aim of enabling the project implementation of two metro Belgrade lines and four lines of the BG:voz until 2033. In addition, the future BG:voz suburban rail system with the planned four lines also includes connecting of the municipalities of Lazarevac and Mladenovac with regular and frequent BG:voz. In the coming decades, through the transit oriented development, it will be provided that the City of Belgrade has a steady and sustainable development throughout its territory.