The proposal of construction was made for the Expressway and the tunnel for transforming the road into four-lane; however, currently there is no sign of starting the construction because the priority is given to complete the entire Maizuru-Wakasa Expressway first.
4車線化も計画されているが、舞鶴若狭道の早期全通を優先しており、着工の見通しは立っていない。