Longest Highway Tunnel Proposed By Private Investor

A private developer has proposed the world's longest highway tunnel, running more than 16 miles under the Long Island Sound in New York.

1 minute read

January 28, 2008, 7:00 AM PST

By Nate Berg


"The cost is estimated at $10 billion - and it wouldn't cost taxpayers a dime. A developer wants to build the tunnel with private money, recouping his costs by charging drivers $25 each way and by selling advertising."

"Developer Vincent Polimeni says the tunnel between Oyster Bay and Rye on the New York mainland would let travelers going between Long Island and New England avoid crowded New York City highways and help alleviate traffic congestion."

"While not expected to be completed before 2025, the proposal received renewed attention this past week when a state Senate committee held a hearing."

Sunday, January 27, 2008 in Associated Press

"Planetizen federal action tracker" logo superimposed over black and white image of US Capitol dome.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

October 28, 2026 - Zachary Whalen

A car drives through a puddle, making a large splash. Rain pours down.

California plans to bury El Niño’s downpour

If the state plays its cards right, it may be able to store a billion acre-feet of El Niño’s water in aquifers.

October 28, 2026 - Grist

Lake Powell with much of the water evaporated.

Desperate measures: Advocates weigh draining Lake Powell to fill Colorado River

Draining the reservoir could reduce evaporation losses by a couple hundred thousand acre-feet.

October 30, 2026 - Yale Environment 360

Nithya Ramen talks to an older man. She is smiling and wearing a yellow dress. They are both outside.

Los Angeles just elected an urban planner as its mayor

Transportation analysts are optimistic that Raman will be more aggressive in addressing transit issues than Bass.

November 7 - Los Angeles Times

Mamdani behind a microphone, in front of a snowbank

Mamdani’s pied-à-terre tax survives legal challenge

A panel of judges found that the plaintiffs failed to demonstrate injury as a result of New York City's implementation of the tax.

November 6 - CNN

A road in north eastern Nebraska with power lines on either side, and grassy fields.

Eastern Nebraska is running out of electricity

Data centers and electrification are straining eastern Nebraska’s grid, throttling economic development.

November 6 - Grist

FREE Course: Walkable City 1: Why Walkability?

After describing his path towards focusing on walkability as the essence of good planning, Jeff Speck marches through his five principal reasons for making more walkable places.

Reinventing Malls: Planning Alchemy—Turning Gray Fields Into Gold

The course focuses on the opportunities and imperatives that shape reinvention of mall sites.