DSNY Eased a Parking Rule and Compliance Got Worse

From August 3 to September 25, 2026, the New York City Department of Sanitation and City Council Member Crystal Hudson's office ran a pilot on select Prospect Heights and Crown Heights streets. Instead of moving their cars twice a week per side for street cleaning, residents only had to move once. The logic was straightforward: less friction should mean more people comply. DSNY and Hudson expected compliance to rise.

It fell. Compliance dropped from 73% to 62% during the pilot, and monthly tickets ticked up slightly, from 455 to about 457, with 913 summonses issued over the eight weeks, even though DSNY was enforcing on half as many days. Streets also got dirtier. On September 28, DSNY restored full twice-weekly enforcement and declined to make the lighter rule permanent.

Why easing the rule backfired

DSNY's press secretary, Vincent Gragnani, described the intent plainly:

The concept was, in essence, to say, 'OK, you only have to move once per week per side, but you really have to do it,'

That sentence contains the whole problem. Twice-weekly moving wasn't just a rule, it was a habit loop, repeated often enough that it became automatic. Cutting the frequency in half didn't just reduce effort, it broke the cue. Status quo bias means people default to the familiar pattern and need a clear reason to switch away from it. Here, the pilot removed the reason to keep the old pattern: the schedule that used to anchor behavior was gone, and nothing as strong replaced it.

Loss aversion compounds this. People weigh the pain of a potential loss more heavily than the pleasure of an equivalent gain. A flat $65 fine, not always issued, is a loss that's easy to discount against the near-certain cost of moving a car on a day you'd rather not. Once the rule felt looser, the inconsistent fine stopped reading as a real threat. Violating became the path of least resistance, not compliance.

What DSNY expected versus what residents did

Hudson's own words capture the gap directly:

I was expecting to see an increase in compliance given fewer days that folks would be required to move their cars, but that just wasn't the case

The assumption behind the pilot was that reduced burden would translate into increased compliance. But residents didn't experience the change as a reward to repay with better behavior. One resident, Barbara Seabra, put her own reaction simply:

It's much easier for us to just move once a week

Easier for her meant something different than DSNY had planned. It meant one more day she didn't have to think about it at all, which is the opposite of reinforcing the habit the pilot needed intact.

Hudson later summarized the outcome:

I was hoping that this could've proven that fewer days of alternate side parking enforcement would yield greater compliance, but that's just not what the data has shown

The pilot's outcome shows that the incentive structure it assumed, less hassle in exchange for more cooperation, isn't how habitual compliance actually works once the enforcement cue weakens.

What a behavior-first process would have surfaced

None of this required hindsight to predict. The failure mode here, a loosened rule breaking an existing habit loop while a flat penalty quietly loses its teeth, is a known pattern, not a surprise specific to parking. Any team changing a compliance mechanism, a pricing structure, or a required customer action should ask a specific question before launch: what cue is this change removing, and what replaces it?

A behavioral simulation run before a campaign ships is built to surface exactly this kind of question. DayClerk runs an audience simulation before any landing page or email copy gets generated: it models how a specific segment is likely to behave given a proposed brief, and outputs behavior paths, friction points, content expectations, and drop-off risks. That's a materially different starting point than drafting the announcement first and hoping the response matches the intent behind it. A marketer easing a return policy, a signup requirement, or a renewal reminder is making a comparable bet. The question worth asking first isn't whether the change sounds more generous. It's whether the audience's current behavior depends on the exact friction being removed.

The takeaway

Reducing friction isn't automatically a gift to your audience. Sometimes the friction is the thing holding the behavior together. Before easing a rule, a price, or a requirement, map what habit depends on it staying exactly as hard as it currently is.

Note: AI was used to help write, format and edit this article. Reviewed by the DayClerk team.