What Will Be the Right Price to Cut Congestion in New York?

In 2021, cars crossing the Brooklyn Bridge into lower Manhattan will have to pay an additional fee.

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New Yorkers love to tout their exceptionalism. Late Sunday evening, the state Legislature in Albany handed city residents another first-of-its-kind distinction: New York will be the first US city to impose a fee for driving in a busy part of town. The congestion pricing plan is an effort to fight traffic—and to raise billions for the region’s floundering mass transit system.

The plan would, by 2021, establish a fee for cars or trucks entering the most hectic part of Manhattan, below 60th Street. A few people are expected to get a break on the charge, with planned exemptions or credits for low-income area residents, those with disabilities, and those who need to visit medical services in the area. But for everyone else, it should get a lot more expensive to drive around Manhattan—probably around $11 per car and $25 per truck. (Those numbers come from a state-commissioned task force on congestion pricing , but the Metropolitan Transportation Authority’s Triborough Bridge and Tunnel Authority will set the prices in coming months.) The agency might choose to assess variable fees, making it, for example, more expensive to drive in the congestion zone during rush hour, or on weekdays.

The money collected through the plan is slated go straight to the city’s public transit system. Officials say they expect the congestion pricing plan to raise at least $15 billion in its first five years for capital improvement projects—which just might have pushed the plan over the finish line, politics-wise. “What precipitated this thing getting passed is the subway crisis,” says Bruce Schaller, a former New York City transportation official. “It doesn't have anything to do with traffic speeds in Manhattan.”

It turns out that those twin goals—fighting traffic and raising lots of money—could be at odds with each other, at least a little bit. “It’s a funny kind of tension,” says Michael Manville, an associate professor of urban planning at UCLA’s Luskin School of Public Affairs. “Policymakers have to balance them.”

The congestion pricing challenge is straight out of the Economics 101 textbook. Make it too expensive and inconvenient to drive in Manhattan, and traffic evaporates—but the city will raise little money to invest in its struggling transit network. Set a lower price, and make it too inexpensive and convenient to drive, and the city will raise lots of money for subways—but not relieve much congestion. The result: a bunch of cranky voters who don’t understand why it’s suddenly pricier to drive on still-crowded roads.

“The devil is very much in the details,” says Manville. “The details aren’t necessarily hard, but getting them right ready does require understanding that if you want to reduce congestion, that should be your first goal, and the revenue comes after that. If you set out just to raise money, you do that—but you may not reduce congestion.”

To understand what’s at stake here, Manville likes to use an analogy: parking meters. When cities first started rolling out parking meters, officials saw them as a parking management tool. If transportation wonks found a pricing sweet spot, they could guarantee that anyone who desperately needed to park would always be able to find a spot, albeit for a hefty fee. Over time, though, more cities began to see parking meters as machines that could make them money. Parking still cost a fee, but not enough to disincentivize driving altogether. In other words: Meters are annoying, but not overly burdensome for the average driver. And cities found themselves squeezed for parking once again.

Fortunately for New York, a bunch of other cities have used congestion pricing to reduce traffic and raise money for years, with mixed success. There is plenty to learn.

London, for example, rolled out a pricing scheme in its busiest downtown area in 2003, charging $8 to enter the eight-square-mile zone during weekdays. At first, it worked: Traffic delays fell by 30 percent, and the city estimates it has reduced vehicular emissions from the zone by 12 percent. But traffic has climbed back since the early 2000s, even as the charge has reached $16. Now it’s even slower going in the area than when the scheme kicked in 16 years ago. And that’s partly because the congestion plan’s writers couldn’t anticipate what was ahead: the explosion of on-demand delivery and for-hire vehicle platforms like Uber and Lyft, which are, along with taxis, exempt from the congestion charge. The London experience points to a hazard of congestion pricing: being too generous when deciding who can escape the tolls.

(A new NYC law already requires taxis to charge an extra $2.50 congestion fee, and Uber and Lyft drivers $2.75, while driving below 96th Street in Manhattan.)

Singapore, meanwhile, has had its own Electronic Road Pricing System since late last century, and has used it to tamp down traffic, at least compared with similar big cities. The city reviews what drivers have to pay to use certain highways quarterly (between 40 cents and about $5), and adjusts the prices to account for changes that might shift traffic flows, like major new offices or housing developments. Despite that flexibility, though, average daily traffic volume in the island nation climbed by 22 percent between 2004 and 2014. But average expressway speeds went up in that period, and public transit ridership did, too. (Singapore also makes it extremely expensive to own a personal car—that helps with traffic, too.)

So New York City has plenty of questions ahead of it, and plenty of work to do. And no one in the city should expect this congestion plan to save them from traffic forever. “This underscores that just doing congestion pricing is not enough to combat congestion, or to get the system to work the way we want it to,” says Schaller. The really fun part is yet to come.

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