Caldecott Tunnel Trivia Question #1 | 511 Contra Costa

Caldecott Tunnel Trivia Question #1

It’s Caldecott Fourth Bore Trivia Time!

The Fourth Bore project is breaking new ground every day. Keep up by testing your Caldecott knowledge and you might learn something new. And use your Internet sleuthing skills, for Peet’s sake!
The Nitty Gritty Details:

  1. New trivia questions will be posted bi-weekly
  2. One lucky winner will receive a $10 Peet’s Coffee gift card compliments of 511 Contra Costa (Winners will be randomly selected from all correct respondents)
  3. Answers can be found on the project website at
  4. Please submit answers by Thursday, October 20th, 2011

This week’s question…

The topheading from both the east and the west is being excavated now,  and that work will be followed by the bench, or bottom portion.
Q: Why is the top section of the tunnel being excavated first?
Thanks for entering! We’re now onto Question #2.

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