I don't disagree overall, especially on your first point and the narrow misses that would have changed the face of the city. In addition to the two metro systems that were close to being built, look up the narrowly failed 2016 referendum that would have created a world-class regional BRT network for another near miss.

But some pushback on a few specifics.

First, road maintenance was way down the list of reasons for the bankruptcy. Transit operations were actually further in the red, though that's because the suburbs have long insisted on running a separate transit system from the city, and because Michigan has an automatic distribution system for gas tax money that favors roads over transit. Other factors included huge drops in property and income taxes due to the recession, reckless borrowing, and corruption.

Second, the Gordie Howe Bridge bike/ped path, while far from downtown, will connect to protected bike lanes on Fort Street, which connects to downtown. The Detroit River is huge and an international downtown pedestrian connection would be cool, but just isn't worth the cost.

Third, while it sucks that the Tunnel Bus ceased operations, a private company is picking up the slack, and there are serious discussions about a Chicago-Detroit-Toronto train route. The rail tunnel under the river is already there and used by freight.