The diagrams below give information about two road tunnels in two Australian cities. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The diagrams show measurements of two tunnels in different Australian cities,

along with

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the years of construction and cost.

Overall

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, the second

tunnel

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was built more recently, with the project costing more

due to

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its extended length and width when compared to the

first

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tunnel

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.

However

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, the

first

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tunnel

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went down deeper than the

first

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and took longer to construct. Starting with the

first

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tunnel

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, the

tunnel

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was built under a bridge crossing a river, surrounded by sand. It was built between 1986 to 1998 with a cost of $555 million. The

tunnel

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itself consists of 2 car lanes, stretching out for 2.2 kilometres and going 1.5 meters down into the ground. Moving on to the second

tunnel

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, it was constructed between 2002 to 2006, taking significantly less time than the

first

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tunnel

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. The

tunnel

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is situated underneath a road in the city, surrounded by mostly stone and clay. The price for

this

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tunnel

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is $1.1 billion, which provided us with 3.6 km of

tunnel

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length and 3 lanes for vehicles. Compared to the

first

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tunnel

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,

this

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one remains relatively flat,

instead

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of curving downwards like the

first

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one.