Ōigawa Railway
 The Ōigawa Railway (大井川鐵道 Ōigawa Tetsudō) is a railway company in Shizuoka Prefecture Japan. The company is commonly known as Daitetsu (大鐵). The company belongs to Meitetsu Group. The first section of its lines opened in 1927.There are two railway lines operated Ōigawa Main Line and Ikawa Line. Both lines primary function as sightseeing lines. The former line is known for its steam locomotive trains while the latter is the only rack railway line in Japan.