 SR 308 begins as <unk> Road at a diamond interchange with SR 3 east of Naval Base Kitsap at Bangor . The highway travels east through wooded land , intersecting several minor roads until the roadway turns northeast and crosses over Liberty Bay into the unincorporated community of Keyport . Within Keyport , SR 308 passes the Naval Undersea Museum and serves as the main thoroughfare through the community before it ends at the main entrance to the Naval Undersea Warfare Center , continuing east as Strom Avenue into the base . 
