Honshū-Shikoku Bridges connecting the islands of Honshū and Shikoku.Red : Nishiseto ExpresswayGreen : Seto-Chūō ExpresswayYellow : Kobe-Awaji-Naruto Expressway
This file was derived from: Map of Honshu-Shikoku Bridge Project.svg
Maximilian Dörrbecker (Chumwa) and Rarelibra (original)
Howard61313 (derivative work)