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Test your knowledge of the next stage of WestConnex with
Tunnel Trivia.

Scores are based on correct answers and the speed at which you answer – how quick can you answer?

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Question 1

15s

The WestConnex M4 and M8 extensions are mostly underground and were built using special tunnelling tools. What is a roadheader?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 2

15s

The WestConnex M4 and M8 extensions are 70 metres below the ground at their deepest point. This is about equal in height to:

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 3

15s

What is the average amount of tunnel excavated in a week during peak construction?

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Question 4

15s

How many roadheaders were involved in construction of the M4 and M8 extensions?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 5

15s

The widest part of the WestConnex M4 and M8 extensions are 28 metres. This is about how many average steps?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 6

15s

How many hours of work did it take to build the WestConnex M4 and M8 extensions?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 7

15s

The WestConnex M4 and M8 extensions are designed to be one of the safest and most efficient roads in Sydney. How fast can you drive in the tunnels?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 8

15s

Digging the M4 and M8 extensions meant almost 8 million tonnes of spoil material (dirt) was removed. How many elephants would weigh 8 million tonnes?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 9

15s

What was the most common type of rock the roadheaders were tunnelling through?

Correct Whoops, it was xxx Whoops, you ran out of time
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Question 10

15s 15s

How long are the WestConnex M4 and M8 extensions?

Correct Whoops, it was xxx Whoops, you ran out of time
Finish