The expressway is officially referred to as the Chūgoku-Ōdan Expressway Himeji Tottori Route. The Chūgoku-Ōdan Expressway Himeji Tottori Route is the official designation for the Sanyō Expressway between Sanyō Himeji-Nishi Interchange and Harima Junction, the Harima Expressway between Harima Junction and Yamazaki Junction, the Chūgoku Expressway between Yamazaki Junction and Sayo Junction, and the Tottori Expressway between Sayo Junction and Tottori Interchange (concurrent with the Chūgoku-Ōdan Expressway Himeji Tottori Route).
Route description
A typical section of the Harima Expressway
The route is a two-lane expressway for its entire length, with some overtaking areas. The speed limit is 70km/h.
History
The first section of the expressway was opened in 2003. As of August 2019, that 12.8 kilometres (8.0mi) long section between the Sanyō Expressway and Hyōgo Prefecture Route 726 is still the only part of it open to traffic.
Future
The Harima Expressway is planned to be completed between its current northern terminus at Hyōgo Prefecture Route 726 and the Chūgoku Expressway in 2021. Upon completion, the total length of the expressway will be 24.2 kilometres (15.0mi).[2]
