The Infrastructure Work Pipeline

How transportation policy can become real work for HVAC and sheet metal contractors.

When Sabrina Sussman talks about transportation, she does not start with lanes, bridges or budgets. She starts with people trying to get to school, work or a doctor’s appointment and what happens when they can’t. In a SMACNA webinar with Seth Lennon, SMACNA’s Director of Content Development and Media Relations Policy, Sussman explains that she “fell in love with transportation” only after stumbling into a job at the U.S. Department of Transportation and realizing “it doesn’t matter what you’ve built if people can’t get there.”

Now, as Chief Program Officer for Nashville’s “Choose How You Move” initiative, Sussman oversees a $3.1 billion, 15-year, voter-approved program to overhaul sidewalks, bus service, corridors and traffic signals across one of the fastest growing metros in the country. The work is infrastructure on paper, but in practice, it is a massive pipeline of projects that will require the skills of sheet metal and HVAC contractors in transit facilities, control centers and dense urban corridors for years to come.

From Accidental Transport Nerd to Nashville CPO
Sussman never planned a career in transportation. She moved to Washington, D.C., wanting to work in government on health or education policy and took a position at USDOT, telling herself, “government’s government, you can always pivot.” Instead, she stayed — twice. Early roles at USDOT, a stint in New York City Hall and time at Zipcar gave her a front row seat to how cities and the private sector share responsibility for how people move.

Most recently, she served as chief of staff and deputy to U.S. Deputy Transportation Secretary Polly Trottenberg, and as a senior adviser to then Secretary Pete Buttigieg, working on the rollout of the Bipartisan Infrastructure Law and a wave of federal investments in roads, bridges, airports and transit. “You go where the money is when it comes to infrastructure,” she says, noting that the law marked a “generational investment” after decades of underfunding. For contractors, that shift at the federal level is now being echoed — and in some ways amplified — by cities and regions that are self-taxing to build their own projects.

Inside “Choose How You Move”
Nashville’s turning point came in 2024, when 66% of voters approved a half-penny sales tax dedicated solely to transportation. Under Tennessee law, localities that want big infrastructure must largely “self fund,” so the city put a detailed Transportation Improvement Program (TIP) on the ballot, promising specific projects in exchange for that tax.

“It was a $3.1-billion program over 15 years,” Sussman says. “It includes 86 miles of sidewalk, nearly 600 traffic intersection signals and 10 all access corridors” — the heaviest, most congested corridors in the region — with safety improvements woven throughout. Every block and intersection is identified on a public map, giving contractors an atypical level of certainty about where work will be and what will be built.

One year after the referendum passed, Sussman cut the first ribbon, marking the completion of an early “quick win” project: a transit signal upgrade called a queue jump that lets buses enter the intersection a few seconds before cars, so routes move faster. At the same time, her team is launching short-, medium- and long-term work: signal replacements and fiber in the near term, and full corridor redesigns and large sidewalk packages in later phases. For mechanical and sheet metal firms, those “all access corridors” and transit enhancements mean future work tied to stations, shelters, operations centers and high performance systems in buildings along those routes.

Potholes are Nonpartisan, and So is the Work

If there is a theme to Sussman’s message, it is that transportation is fundamentally local and fundamentally bipartisan. She jokes that one of her favorite conference ribbons reads “potholes are nonpartisan,” because “when people drive down the street or are at the airport, it doesn’t matter who’s in power; what matters is that their infrastructure needs help and support.”

She believes that local leaders are now wrestling with the same questions Washington faced during the infrastructure law debate: “How do we fund infrastructure investments?” and “Have those networks that supported our prosperity kept up with the growth?” Cities like Nashville, Charlotte, Columbus and Austin are answering by asking voters directly to approve transportation referendums, and they’re often succeeding. For SMACNA contractors, that means the next boom in work may not just follow federal megaprojects; it will track these local “self-subscribed” programs where the money and project lists are set for a decade or more.

Where contractors come in is to fill the capacity gap. “Nashville and Middle Tennessee don’t have all the people that we need to pull this off,” Sussman says. She calls “Choose How You Move” not just a transportation program but “also a workforce development program,” adding that the city needs contractors to “be welcoming and inventive and encourage new folks to come to town” to help deliver the work.

  • Her tips for SMACNA members are direct: 
  • Track which localities are pushing big infrastructure packages; that is where the work and funding will be.
  • Be “good, trusting partners” who help cities deliver projects faster, not just cheaper.
  • Offer ideas that cut red tape and timelines without sacrificing quality because “the best way to ensure that public investment continues is to deliver.”

She describes one example from Nashville where a contractor pointed out that restrictive city rules allowed only six working hours a day on certain sites, dramatically slowing completion. “If we’re only allowed to work on a job site for six hours a day, it’s going to take a really long time,” the contractor told her, prompting a rethink about longer hours and trade-offs between short term disruption and faster delivery. For mechanical contractors used to carefully phased shutdowns and tight commissioning windows, that kind of honest feedback is exactly where they can add value.

Why This Matters for HVAC and Sheet Metal Pros

While much of Sussman’s story centers on sidewalks and signals, she stresses that transportation projects are not one-and-done; they are systems that must be built, operated, maintained and continuously upgraded. “Transportation and infrastructure are not about build it once and move on,” she says. “You have to build it, operate it and maintain it. Those investments take work over many years.”

That long tail of work touches SMACNA contractors at multiple points: 

  • Airports and terminals. Aging terminals designed for a pre-9/11 world are being rebuilt to handle new security, passenger flows and energy performance standards — from Kansas City’s complete terminal replacement to expansions at Nashville’s BNA. Those projects require complex HVAC, high-end architectural sheet metal and advanced controls.
  • Transit and corridor facilities. Bus rapid transit lanes, stations, depots and signal houses are all mechanically intensive spaces where reliable, efficient systems are critical to uptime and safety.
  • Operations centers and data infrastructure. As Sussman notes, many of Nashville’s traffic signals are 50 to 60 years old and untouched; upgrading them means new equipment, new rooms to house that equipment and reliable cooling and ventilation for electronics and staff.

She underscores that much of this work is now technology driven, whether in signal systems, data collection or facilities that must support continuous operations. “It’s weird to think about roads as tech projects, but they are in a lot of ways,” she says, noting that while people replace phones every 15 months, many cities are still running traffic control hardware from the 1960s. For contractors comfortable integrating building systems with digital infrastructure, that shift plays to their strengths.

Where Contractors Can Shape the Pipeline
Sussman repeatedly returns to the role of labor and contractors in getting “Choose How You Move” across the finish line. An outside campaign backed by advocates and unions helped make the case to voters that Nashville’s congestion, which Forbes labeled “the worst commute in the country,” wasn’t inevitable and could be fixed with a dedicated investment.

She encourages SMACNA members to replicate that model elsewhere:

  • If your city is even “pondering” a transportation referendum, “jump in, offer to help and ask them how you can really help make that case,” she says.
  • Be honest that these programs provide both desperately needed infrastructure and “jobs for your members,” and explain that clearly to the public.
  • Engage at every level — federal, state and local — because “it’s not just one flavor of advocacy that gets those jobs done.”

Her advice to a contractor eyeing opportunities in places like Boston’s MBTA repairs or airport expansions is practical: monitor FAA passenger data to see which airports are growing fastest, watch for big capital announcements (such as BNA’s recent $4-billion expansion plan) and proactively meet with owners to understand schedules and procurement paths.

Looking ahead, Sussman sees a future where “all of the above” is the only realistic answer: more capital investment, more maintenance, more retrofits and more experimentation with new modes and technology. Cities that have expanded transit networks once like Seattle are now passing subsequent measures to operate, maintain and improve what they already built.

Her deputy in Nashville talks about “continuous improvement” or going back to corridors as technology and use patterns change instead of treating them as finished forever. That mindset mirrors where many leading HVAC and sheet metal firms already are as long-term partners across a facility’s life cycle, not just low-bid installers.

For HVAC and sheet metal companies, Sussman’s message is both a challenge and an invitation. Transportation is becoming more local, more voter driven, more tech heavy and more dependent on contractors who can deliver complex work quickly while protecting public trust. 

“Cities are doing some tough work,” she says. “Go to them and ask them if you can help be a part of that.” 

 


Published: March 6, 2026

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