 The first section of the expressway was opened in 2006 (from the origin to Ōmiya-Ōdai Interchange).Another section (to Kisei-Ouchiyama Interchange) opened in 2009 and the next section (to Kii-Nagashima Interchange) opened in 2013.The expressway beyond this point is still in the planning stages and will be built according to the New Direct Control System.