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Lawrence Aviation Superfund site

On the final day of the New York State Assembly’s 2025 session, Assemblywoman Rebecca Kassay’s bill A8560A, the “Furthering Rail Transit in Suffolk County Act,” passed. The justification section of the bill reads as follows:
The expansion and modernization of public rail infrastructure in Suffolk County is essential to addressing the region’s long-term transportation needs. This legislation facilitates such development by directing the Department of Transportation (DOT) to grant a permanent access and construction easement to the Metropolitan Transportation Authority (MTA). The easement will allow the MTA to and utilize a portion of DOT-owned land currently designated as the Setauket-Port Jefferson Station Greenway for the potential development of a railyard, thereby enhancing the capacity, efficiency, and connectivity of public transit in the region. The easement is also necessary to further New York State’s green transit goals, better allowing for the electrification of the LIRR’s Port Jefferson branch.To ensure that this easement does not interfere with existing transportation priorities, the bill expressly preserves the DOT’s retained rights to carry out any future realignment of New York State Route 25A, including through the construction of a bridge over the Greenway. It further mandates cooperation between the DOT and the MTA to enable both projects to proceed concurrently without operational conflict. By establishing clear terms for coexistence and requiring timely execution of the easement agreement, the legislation provides a structured legal framework that advances public transit objectives while maintaining the integrity of state infrastructure planning.

Assemblywoman Rebecca Kassay shared, “I became aware of the importance of this project when I was serving as a Port Jefferson Village Trustee. I was compelled to serve from a higher office in part to help overcome bureaucratic stalemates like this one. The economic, environmental, and community benefits of this project can not be understated and I am very proud to have introduced, sponsored, and passed this legislation that delivers a key solution to moving forward with the modernization and electrification of the Port Jefferson LIRR line.”

In 2023, the Suffolk County Landbank Corporation and the MTA entered into a contract to transfer a portion of the site to the MTA for $10—a strategic move to support LIRR modernization. In early June 2025, Assemblywoman Kassay gathered with elected officials at all levels of government, government agencies, and community organizations to call upon New York State to resolve the ongoing bureaucratic impasse. A disagreement between these two state agencies threatened to derail a critical component of the community-backed redevelopment plan.

Following this press conference, the DOT reached out to Assemblywoman Kassay to discuss the “Furthering Rail Transit in Suffolk County Act”. In a race against the clock, with the Assembly and Senate session concluding mid-June, Assemblywoman Kassay worked swiftly to move the bill along with the DOT, MTA, Assembly Speaker Heastie, Governor Hochul’s staff, Senator Anthony Palumbo, Senator Monica Martinez, and Suffolk County Executive Ed Romaine and county staff.

This bipartisan coalition is driven by the regional and state-wide significance of the redevelopment of the Lawrence Aviation site. The Port Jefferson Branch of the Long Island Rail Road (LIRR), which serves approximately 30% of Suffolk County’s population—including faculty and students at SUNY Stony Brook, the county’s largest employer—has long needed modernization. According to the American Public Transportation Association, every $1 invested in public transportation yields a $5 economic return.

In Albany, various legislation and policies have been adopted in an effort to reduce carbon emissions throughout New York. Since taking office in January, Assemblywoman Kassay has highlighted the importance of this local opportunity to ensure future electrification of the Port Jefferson Branch, shifting its trains off of diesel fuel. transformative investments in regional transit infrastructure, improvements to service on one of Suffolk County’s most heavily used diesel rail lines, and relief from traffic congestion by offering better commuter rail options for residents.

Assemblywoman Rebecca Kassay shared, “As a freshman member in the New York State legislature, I applaud the groups and individuals who have worked tirelessly for over a decade to clean up the former Lawrence Aviation Industries (LAI) site in Port Jefferson Station and engage the community in a vision and plan for its future. I  join Suffolk County government officials and the county’s Department of Economic Development and Planning in their work to prioritize public input over profit in the reimagining of the former superfund site.”

“For many years two state agencies ─ the Department of Transportation and the Long Island Rail Road ─ have not been able to agree to accept Suffolk County’s generous offer of land that would eliminate the dangerous at-grade rail crossing on New York State Route 25A in Upper Port and eliminate unhealthy locomotive fumes by relocating the terminus of the railroad and ultimately enabling its electrification. Although this inaction has paralyzed regional transportation planning and suppressed the economic vitality of every community served by the North Line, Assemblywoman Kassay’s legislation appears to have turned the corner on this morass. Her problem-solving skill is a breakthrough that has profound positive potential to improve the quality of life and health of everyone who lives here.” Suffolk County Legislator Steven C. Englebright (D-Setauket)

New York State Senator Anthony Palumbo said, “The passage of this legislation is critically important for Suffolk County residents and would remove an obstacle in our efforts to make Lawrence Aviation a transportation hub for our region. The redevelopment of this site is the key to electrifying lines to eastern Suffolk and will ensure a more reliable and cleaner transportation system, helping to reduce traffic congestion, especially in the busy summer months. I am proud of our work in getting this bill through the legislature and the continued efforts of the local community to move this project forward.”

“This legislation is a significant public victory,” said Adrienne Esposito, Executive Director, Citizens Campaign for the Environment. “This is the best $10 the government has ever spent. The easement will allow us to modernize the LIRR, reduce truck traffic, and reduce harmful air pollution. We are extremely appreciative of Assemblywoman Rebecca Kassay and Senator Anthony Palumbo for their hard work and dedication in getting it through the legislature. Now, we need the Governor to sign the bill so we can meet our transportation challenges for the future.”

Carmine Inserra, President of the Three Village Chamber of Commerce shared, “The Furthering Rail Transit in Suffolk County Act (A8560A) passing is a huge win for the north shore of Long Island! It paves the way for cleaner, more frequent transportation for all communities along the MTA’s Port Jefferson Branch. It will also offer better public access to the Three Village Historic area and New York State’s flagship university, SUNY Stony Brook (which is also the largest employer on Long Island). Thank you to all the local governmental officials and both business & civic leaders for your support!  We appreciate everyone working together on something that benefits us all!”

Assemblywoman Kassay will continue working with fellow stakeholders and her colleagues in Albany to finalize the easement agreement, and clear the path for the modernization and electrification of the Port Jefferson LIRR line—ensuring that the full potential of the former Lawrence Aviation site can be realized in the service of public benefit and regional progress.

Local leaders at the Lawrence Aviation Site on June 2. Photo by Sabrina Artusa

Local stakeholders wait with bated breath as the June 30th deadline for the MTA to close on purchasing 40 acres of the closed Lawrence Aviation site approaches. Each passing day chips away at the possibility of a new railyard that would enable the electrification of the Port Jefferson Rail line. 

The Superfund site has been eradicated of the toxic pollutants that degraded the soil and water and is nearly cleared from the registry. Part of it will be used as a solar farm and part will be preserved as open space. The missing piece is in the hands of the MTA and DOT. 

Despite pressure from local stakeholders and politicians and the near absence of any pushback or even hesitation from the community, the plan stalls. A year ago this month, the DOT and MTA had a deadline for the MTA to purchase the property. Two extensions and 12 months later, little, except for the mounting impatience from the community, has changed.

In order for the MTA to move forward, the DOT, which currently owns a section of the Greenway that would need rerouting before construction can begin, must provide permission.

Business owners, environmentalists, legislators, town, county and state politicians are all rallying for a common cause: the benefit of the Long Island community. 

The delay causes numerous problems: it keeps commuters riding on with an inadequate and dated mode of transportation; it prevents electrification, which would be quieter and reduce pollution and it keeps the frequency of train travel on the current schedule, instead of increasing the number of trips.

The site has been in limbo for a year and is priced at only $10–such is the Suffolk County Landbanks’ desire for a deal. Now, the DOT needs to reach an agreement with the MTA allowing them access to the land that would facilitate the sale and enable the construction of a railyard. Local officials like Assemblywoman Rebecca Kassay (D–Port Jefferson) are advocating with state officials, including Governor Kathy Hochul (D). With her help, perhaps the DOT and MTA can reach an agreement before this opportunity chugs away on an outdated line, in a plume of diesel smoke. 

One of over a dozen derelict buildings that have been removed from the Lawrence Aviation Superfund site in Port Jefferson Station. File photo.

By Mallie Jane Kim 

Plans to transform the Lawrence Aviation Superfund site in Port Jefferson Station hit a slowdown this week as a key contract deadline passed. New York’s Metropolitan Transportation Authority requested to extend its June 30 closing deadline to Dec. 31, in a letter addressed to the Suffolk County Landbank Corporation, which is managing the property.

All other terms of the contract, a $10 purchase of land suitable for building a railyard, should remain in effect, according to the letter.

“The MTA’s decision to delay the closing date is understandable given all of the pressing issues that MTA leadership is dealing with right now,” said Landbank board member Peter Scully. “The most important thing is that the community’s long-term vision for the future use of the Lawrence Aviation site is still alive.”

The delay may be related to MTA’s current focus on fallout surrounding Gov. Kathy Hochul’s (D) June 5 decision to pause congestion pricing for cars entering New York City’s central business district, which had been scheduled to begin at midnight June 30. That plan had been in the works for nearly two decades, but Hochul cited the currently difficult economic conditions as a reason to wait. She has said she did not want to add a financial burden to New Yorkers already struggling with soaring prices of groceries and utilities.

But the pause threw MTA into funding uncertainty. Funding from congestion pricing was designated to go toward critical improvements to subways, buses and rails, according to a congestion pricing information page on the MTA website. Now, $16.5 billion in projects will be deferred, and some projects already in progress have had to be stopped, MTA board members announced at a June 26 meeting.

For advocates of cleaner-energy rail, reserving the Lawrence Aviation space is an opportunity to allow for infrastructure that can make possible future upgrades to the Port Jefferson Branch of the Long Island Rail Road. That line currently runs on diesel.

“Acquiring this property is a once-in-a-lifetime opportunity,” said Three Village Community Trust President Herb Mones, referring to the fact that it is unusual to find an appropriately-sized space available on Long Island for a railyard. “For MTA not to pursue it full throttle would be really unfortunate.” 

The contract previously hinged on an easement agreement with New York’s Department of Transportation that would allow a future railyard to cross a straight line of DOT property that currently hosts the Setauket-Port Jefferson Station Greenway trail. In the proposed site plan, the Greenway trail would be adjusted to loop around a railyard once MTA decided to build one — disturbing the flow of any potential highway there.

There was no word whether those negotiations had yet been ironed out. 

Mones, whose trust oversees the nonprofit that maintains the biking and walking trail, called the idea of someday replacing it with a four-lane highway “preposterous.”

Sarah Lansdale updates the Three Village Civic Association on plans for the Lawrence Aviation superfund site. Photo by Mallie Jane Kim

By Mallie Jane Kim

A redevelopment plan for the Lawrence Aviation Superfund site in Port Jefferson Station is at risk due to a proposed rail yard intersecting a straight strip of property owned by the New York Department of Transportation, where the Setauket-Port Jefferson Station Greenway trail runs, according to Suffolk County Planning Commissioner Sarah Lansdale.

Lansdale, speaking at a Three Village Civic Association meeting on June 3, reviewed the existing plan to transform the former aviation factory into three parcels: a 5-megawatt solar array, space for a rail yard that the MTA will own and protected open space that is earmarked for the Town of Brookhaven.

“We’re in contract with all three parcels right now,” Lansdale said, adding that contract terms require an agreement between DOT and MTA by the end of June. “In order to get to closing, there are conditions that need to be met.”

DOT would need to agree to divert a small section of the Greenway path to make way for the planned rail yard, which would help accommodate future modernization of the Port Jefferson Branch of the Long Island Rail Road. However, this change would interrupt DOT’s solid straight line of property, which they reserve in case the need for a highway arises in the future.

“From what I understand, that would serve as a bypass for Route 25A should sea level rise or climate change impact the navigability of 25A,” Lansdale explained.

The Greenway is not currently protected parkland, though Suffolk County Legislator Steve Englebright (D-Setauket) spoke up at the meeting to announce that he had been working with state Assemblyman Fred Thiele (D-Sag Harbor) to fast-track last minute legislation designating the Greenway as parkland. 

“The session has the potential to resolve this question,” Englebright said, though as of press time, no related bills had been yet introduced and the 2024 legislative session in Albany is scheduled to end June 6.

Civic association leaders expressed frustration at DOT even considering the possibility of tearing up the Greenway sometime in the future.

“They shouldn’t be going down that road — that’s insulting to our community,” said Herb Mones, who also heads the Three Village Community Trust which oversees the nonprofit that maintains the trail.

Mones added that the DOT had always been a vital partner in building and maintaining the Greenway. “It would be very disappointing if the DOT as an agency isn’t the most cooperative, most helpful in making sure the future of the Greenway continues without nonsense talk of putting in a highway,” he said.

The Lawrence Aviation plan has been in the works since 2022, though discussions between officials and concerned community members about what to do with the site have been going on much longer.

The New York State Department of Environmental Conservation has already led the demolition of buildings on the site, according to Lansdale, who added that the DEC also completed an environmental investigation to remove the site from the Superfund list, which will clear the way for the solar development.

Lansdale expressed hope that the contract requirements will be ironed out on time, as she said the plan has had the benefit of community involvement and support.

“This is a federal Superfund site,” she explained. “The way that these sites are usually sold is on the auction block, with zero community input, to the highest bidder.”

Advocating for modern train technology

Though the Lawrence Aviation site plan reserves space for a rail yard, the MTA has given no indication it has imminent plans to modernize the Port Jefferson Branch of the LIRR, according to clean-train-energy advocate Bruce Miller, who said he has been talking with MTA officials and keeping tabs on the agency’s plans.

At the civic meeting, Miller urged local civic associations to lobby Gov. Kathy Hochul (D) to force the MTA to follow state environmental laws by looking into new train technologies to replace the diesel trains running along Long Island’s North Shore.

“It would be very helpful to be somewhere on the [MTA’s] 20-year plan,” said Miller, who indicated one of his catchphrases when dealing with a New York City-focused MTA is, “We pay taxes, too.”

Miller, who favors hydrogen-powered or separate-car battery trains, said he’d like to get civic leaders and elected officials from both sides of the political aisle to put their heads together and figure out how to get the MTA to explore cleaner train technologies.

Englebright agreed with Miller’s assessment that the MTA is essentially a “rogue agency” not following state directives toward cleaner energy, and suggested lawsuits as a good way to rein it in. He pointed to both the 2021 state constitutional amendment that gives residents the right to clean air and water, and the State Environmental Quality Review Act as bases for lawsuits from the community to force the MTA to look into newer, cleaner trains.

“There should be a lawsuit considered by the civic community to challenge whether the actions or inactions of the MTA and the LIRR are consistent with the Constitution of the State of New York,” Englebright said, adding, “No agency of the state is immune to SEQRA.”

Civic association board member George Hoffman, who said he had listened to LIRR President Rob Free speak earlier in the year, expressed frustration that North Shore trains seem to be an afterthought with the MTA.

“We want to get a solution for the Port Jefferson line,” Hoffman said. “I don’t know if it’s electric, I don’t know if it’s hydrogen — we certainly know it shouldn’t be diesel, it’s one of the dirtiest forms of air pollution.”

Hoffman praised Miller for his leadership on the issue and indicated the civic association hoped to support his advocacy efforts. “The squeaky wheel gets the grease,” he said