The diagrams compare two road tunnels, demonstrating the structural and financial details.
Overall, it can be seen from the chart that the first tunnel was constructed under bridge, while the second tunnel was built under highway. The general sizes of the second tunnel are higher than the first one.
As regards the information about outer dimensions, the buttom tunnel is 2,5 meters in depth, in contrast to the top tunnel which is only 1,5 meters. The length of the second tunnel is 3,6 kilometers, which are exceeded the first one by 1,4 kilometers. As for data about environment in which both tunnel were constructed, the first tunnel is surrounded by sand and have a small lake above it. However, the second tunnel is situated beneath the city environment consisting of stone, clay, roads and high-rise buldings.
With respect to the details regarding the fininacial aspects of the tunnels, the process of manufactaring the top tunnel started in 1986 and continued until 1998, whereas the bottom tunnel was created a bit latter, begining in 2002 and finished in 2006. Meanwhile, the budget for the second tunnel was higher and received around 1,1 billion, as opposed to the first one which cost only 555 millions.
