After some digging, I found the capital cost for A4:
$10.8 billion for 14 miles --> $771 million per mile / $79,000 per rider*
* Ridership is based on conventional HRT. There's no accounting for more frequent service and potential 24/7 operations. I would hazard to guess that ridership would exceed 10K per mile (closer to 150K per weekday), bringing the cost per rider closer to $70,000. That's still significantly more expensive than NYC's SAS ($23,000 per rider).
Quote:
Originally Posted by numble
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