WestConnex Tunnel trivia | WestConnex

Test your WestConnex M8 tunnel knowledge 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 M8 is mostly underground and was built using special tunnelling tools. What is a roadheader?

The beginning of a road

A construction vehicle designed to dig tunnels

A statue of a head on a road

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

15s

The WestConnex M8 tunnels are 70m below the ground at their deepest point. This is about equal in height to:

The Sydney Opera House

Sydney Tower

The length of two Sydney train carriages

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Question 3

15s

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

Around 20 metres

Around 100 metres

Around 1 metre

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Question 4

15s

How many roadheaders were involved in construction of the M8 tunnels?

2

10

21

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Question 5

15s

The widest tunnel of the WestConnex M8 is 28 metres wide. This is about how many average steps?

49

19

36

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Question 6

15s

How many hours of work did it take to build the WestConnex M8 tunnels?

5,000 hours

20 million hours

1 million hours

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Question 7

15s

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

However fast the speed limit is at the time (up to 80km/h)

As fast as you want

Walking pace

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

15s

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

About 50 elephants

About 10,000 elephants

About 3 million elephants

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Question 9

15s

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

Sydney coal

Sydney sandstone

Sydney shale

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Question 10

15s 15s

How long are the WestConnex M8 Tunnels?

9km

1km

5km

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