By Jared Ebersole in Video — 20 Apr 2026

The Queens-Midtown Tunnel Was a Fight Against Rock, Pressure, and Robert Moses

The Queens-Midtown Tunnel looks like an ordinary drive under the East River, but building it meant defeating bad geology, political pressure, and one of the most difficult digs in New York.

The Queens-Midtown Tunnel is so useful that it disappears.

Drivers enter from Long Island City or Midtown, dip under the East River, and come out a few minutes later in another borough. It feels like a piece of ordinary traffic infrastructure. That is the whole point. The tunnel works best when nobody thinks about it.

But in the 1930s, getting that ordinary drive built meant fighting New York politics above ground and some of the city's nastiest geology below it.

Where it runs

The Queens-Midtown Tunnel connects the Long Island City approach near Borden Avenue with the Manhattan portals around East 36th and East 37th Streets near Second Avenue.

The need was obvious. The East River bridges were overloaded, and Midtown needed a more direct connection to Queens, Long Island, and the future World's Fair grounds. The question was what kind of crossing New York should build.

Robert Moses wanted a bridge.

That was not surprising. Moses understood toll bridges, approach roads, authorities, and the political power that came with them. A bridge near 37th Street would have been cheaper than a tunnel on paper, but the cost would not only have been financial. Its ramps and approaches would have cut through blocks of Manhattan and Queens. A tunnel could hide the crossing underground. A bridge would have announced itself with demolition.

The tunnel won.

Moses did not disappear from the story. He tried to bring the project under his influence, and later, after the New York City Tunnel Authority merged with the Triborough Bridge Authority in 1946, the tunnel became part of the Moses-dominated Triborough Bridge and Tunnel Authority. But during its hardest years of construction, the Queens-Midtown Tunnel belonged to the tunnel engineers and the sandhogs.

The chief engineer was Ole Singstad, already famous for his work on the Holland Tunnel. The Holland had proved that long, ventilated automobile tunnels could work. The Queens-Midtown job asked for something worse: two tubes under a riverbed that refused to behave consistently.

The Hudson River tunnels had dealt heavily with soft silt. The East River route was more uneven. Test borings found pockets of soft material mixed with solid rock. For a tunneling shield, that is a miserable combination.

A shield is essentially a giant steel cylinder pushed forward through the ground. Workers dig at the face, the shield advances, and crews assemble iron or steel lining rings behind it. In the right soil, it is a controlled, repetitive process. In mixed ground, the face can be soft in one place and hard in another. The machine wants regularity. The riverbed gives it layers, seams, and surprises.

The Queens-Midtown Tunnel's builders even placed a massive clay blanket on the river bottom to help keep compressed air from leaking out of the tubes. Compressed air was one of the era's key defenses against water entering the work zone. It held the river back, but it also turned the job into a physiological hazard.

Sandhogs could not simply work a normal shift and climb out. High pressure changes how gases behave in the body. Come up too fast, and decompression sickness can follow. Contemporary accounts of the project describe hundreds of cases during construction, even with precautions, shortened shifts, and decompression procedures.

Then there was the rock.

Where the tunnel shield could not chew cleanly through hard material, workers had to go ahead of it. In dark, pressurized, dangerous conditions under the East River, sandhogs drilled into the rock, set charges, blasted it apart, cleared the debris, and let the shield push forward again.

This is the part of the story that feels impossible because it almost was. The river was above them. Compressed air was around them. Steel rings were being assembled behind them. Rock had to be fractured in front of them. The tunnel advanced because men repeatedly entered the worst part of the machine and made the ground small enough to move.

The scale of the project matched the risk. MTA describes the Queens-Midtown Tunnel as one of the largest New Deal public works projects of its era and says as many as 2,500 sandhogs worked through solid rock to build it. Each tube was wider than the Holland Tunnel's to fit the larger automobiles of the period. The finished crossing would carry four lanes under the East River.

Precision mattered as much as endurance.

Crews drove the twin tubes from opposite sides and had to meet underground. In November 1939, the sections were holed through with a reported error of less than half an inch. That is hard to appreciate from inside a car today. The tunnel feels smooth because the uncertainty was absorbed during construction. By the time the public arrived, the drama had been paved over.

The tunnel opened to traffic on November 15, 1940. President Franklin D. Roosevelt had ridden through before the public opening, fitting for a project backed by New Deal financing and built as a statement of modern public works.

Its legacy is not only that it moved cars.

The Queens-Midtown Tunnel showed New York choosing the invisible option for a major crossing, then accepting the brutal engineering required to make invisibility possible. A bridge would have changed the skyline and the streets around it. The tunnel changed the city by hiding the fight below the river.

That is why the drive feels ordinary now.

The extraordinary part was making it ordinary.