4 ms·
See also Seattle’s SR99 tunnel and Boston’s Big Dig (though the latter is 15 years old now). Tunneling through an existing city, often near water, is just hide
by pbourke 5y ago
See also Seattle’s SR99 tunnel and Boston’s Big Dig (though the latter is 15 years old now).
Tunneling through an existing city, often near water, is just hideously complex and expensive.
- Fomite 5y agoI remember when I was in Boston a discussion of how to expand one of the T-lines under Tufts Medical Center without causing vibrational problems for the equipment in the hospital right above. That's a non-trivial engineering challenge.
- xvector 5y agoHave the hospital cease usage of the equipment and relocate appointments for that equipment.