Turkish State Railways (TCDD) is the national railway company of Turkey, responsible for operating the country's rail transport services. Established in 1927, TCDD manages both passenger and freight trains, connecting major cities and regions across the country. The network includes high-speed trains, regional services, and freight transport, facilitating travel and trade. TCDD also focuses on modernizing its infrastructure and expanding its services. The company has invested in new technologies and rolling stock to improve efficiency and safety. Additionally, TCDD plays a vital role in promoting sustainable transportation options within Turkey, contributing to the country's economic development.