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5 days ago
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Largest Wildlife Bridge Spanning 10 Lanes of CA 10...
Tunnels are probably more expensive than overpasses. At best, they might be comparable cost.
Especially if you want to do the work with minimal disruption to the highway.
downvotetruth
5 days ago
[–]
Cutting and covering a few lanes at a time would not have cost $92 million. Even better, a horizontal drill would have less chance of lane closures than the bridge option.
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Especially if you want to do the work with minimal disruption to the highway.