A Cross Brooklyn Expressway is a MUST, together with a MANDATORY addition of capacity to continue west towards New Jersey via Staten Island.
The Cross Brooklyn Expressway obviously must be a fully enclosed rectangular tunnel box set, equipped with exhaust filtration and covered with a new linear park.
It must not be a brutalist design as per the 1967-69 proposed Linear City with its proposed new buildings, and its *semi* enclosed tunnelways.
Nor can it be a set of merely 3 through lane roadways stacked atop each other to fit within the mere 80 foot wide right of way of the existing LIRR Bay Ridge RR. It must of course include the long proposed "Bi Borough" IRT, underground, along with extra heavy railroad tracks. for a minimum of three heavy RR tracks, and 2 IRT tracks. Sadly the expressway box tunnel requires clearing buildings. But to minimize the use of residential properties, have it slice through Brooklyn College, fully enclosed, and be sure to give all displaced residences a full 3 1/5 x existing fair market value (at the time of this writing), or 1 1/2 x such, together with replacement housing of equal of greater interior square footage, perhaps within new 4 or 5 or 6 story military academy scaled mansion styled architecture buildings, together with generous off street parking, of a minimum of 5 cars per unit.
My previously proposed idea of a direct tunnel to New Jersey is excessively expensive, and has the detriment of requiring an all new parallel link alongside the existing I-78 spur to the Holland Tunnel.
Better is simply expanding and enclosing the existing 6 lane trench to its design width capacity of 12 lanes, and constructing a twin span to the Verrazzano Narrows Bridge.
Widen the Staten Island Expressway, using its existing corridor, together with a tunnel box enclosure upon its more populated area segments, to provide new land space atop for recreation.
Construct a new westbound roadway from I-278 in New Jersey extending to the west, so as to provide additional capacity extending inland away from a potential tsunami. Ideally, construct a 3rd Goethals span, westbound only, with a greater capacity westbound roadway continuing past the New Jersey Turnpike.
Construct an all new Outerbridge Crossing, replacing the existing shoulder-less 2 lane in each direction span with a pair of spans each with 5 through lanes and s set of outer shoulders.
The additional capacity for the Goethals has the distinct advantage over the Outerbridge for being further inland. Therefore it is advisable to construct a new westbound roadway extending from I-278 inland.
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