The given survey demonstrate an Australian town’s two road passages which are in form of tunnels.
Now talking about the tunnel A so it is constructed in 90’s. The tunnel is completed in 5 years as it started in 1987 and completed in 1992. The coast of it is about 5556 million while it is build below ocean in form of a cave with buildings on both sides. It is built really strong to carry huge traffic and its construction mainly consist of sand and stone. It cover distance of almost 25 meters. The shape of this passage is U and it is two way tunnel for both type of vehicles.
Moreover tunnel b is built below another passage not only that but it is realtively large as compared to above tunnel. It offer 3 vehicles to pass at a time while the other has capacity of only 2 vehicles on the same time. Furthermore it cover 10 times more distance than a one.
