My go to is parking in New Haven or Stamford depending on my driving stamina (Stamford is further into the city but cheaper parking) and taking the metro north

Skyscrapers are far more simple than a tunnel/most infrastructure projects. A skyscraper is some pipes in the ground and a big stick of concrete up into the air with some steel beams coming off the side to hold the floor up.

A tunnel is the logistics of tons and tons of skyscrapers next to each other (not counting station structures) that need to avoid utilities installed in the 1800s, avoid causing settlement of nearby buildings while making a hole under them, and can’t cause any disturbance to the roads above. Going from basically nothing to a year or two of alternative analysis, two years of design, and four years of construction is hasty.

Keep in mind the economies of scale thing, we don’t have a big metro design industry, we need to mobilize/purchase all sorts of specialized equipment, etc, all for a short project.

Just a survey. Maybe LiDAR, maybe aerial imagery. Likely for an exceedingly boring thing, like an ortho photo provider updating imagery every few years.

Oh, oops. That’s in the public input phase, that’s a while out from design.

It’s the Allston Multimodal Project, info here. Design finishing up this year, then it’s off to construction bid for start Q4 2023. Estimated construction time of 6-10 years, done by Q2 2032.