Abstract: “Railways are enjoying a period of significant in Turkey with major investment in high-speed lines to freight and passenger transportation in major cities across the country. The main aim of this paper is to modeling the level of rail based passenger transportation in Turkey. Curve estimation passenger demand model is using annual data of passenger transportation from 1977 to 2013. Some estimated models was used to model the rail based passenger transportation data from 1977 to 2013. Cubic estimation model showed that number of rail based passenger in Turkey would continue to increase.”

Keywords: transportation, curve estimation, Turkey, railway, railroad, passenger