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A wide-ranging economic development bill moving through the Massachusetts State House could impact two higher-profile issues in Sudbury — one about duplexes, the other about e-bikes and scooters.
The State Senate passed the bill, known as S.3178, last week. It is a sprawling package that invests in the defense and AI sectors, sets new safety rules for artificial intelligence, and hands Towns more control over liquor licenses. But tucked inside are several provisions with unusually direct relevance to active Sudbury matters.
The bill is not yet law. The House passed its own, different version of the economic development package, and the two branches must now reconcile their differences before anything reaches Governor Healey’s desk.
Here is what Sudbury residents may want to keep an eye on.
Duplexes by right
The provision drawing the most statewide attention would require every city and town to allow two-family homes on any residentially zoned lot “by right,” meaning a property owner could build one without first securing a special permit or variance. Communities could still set reasonable design standards and rules on things like septic systems and setbacks, but they could not simply prohibit duplexes.
The Sudbury Housing Authority (SHA) has spent multiple years trying to advance a proposal to redevelop four single-family homes it owns, with three of them located in the Pine Lakes neighborhood, into four duplexes. Under current zoning, two-family homes are not allowed as of right in those neighborhoods, which means the project would need to get sign-off from the Zoning Board of Appeals. The state bill would eliminate that requirement.
A by-right duplex law would change the legal backdrop of that debate, but not the underlying disagreement over what kind of housing fits in the neighborhood. The SHA recently received a proposal that bypassed the duplex classification and instead utilized accessory dwelling units (ADUs) in an attempt to meet the criteria set by the SHA.
When the town complied with the MBTA Communities law in 2024, it did so narrowly, drawing overlay districts over two existing developments in a way that was not expected to produce much new housing. The statewide duplex requirement would apply in all residential districts rather than within a single district.
Rail trail safety and the e-bike question
The bill also lands in the middle of a conversation Sudbury has been having about speed and safety on its trails. The recently-opened Sudbury-to-Hudson segment of the Mass Central Rail Trail connects to the Bruce Freeman Rail Trail and adds miles of new walking and biking paths through town.
As more riders, and faster rides, arrive on those paths, the bill would create the state’s first framework for regulating e-bikes, electric scooters, and similar “micromobility” devices.
Rather than sorting them by product label, it groups them by how fast they can go, sets age limits and helmet and equipment standards, and keeps the fastest devices out of bike lanes. Most relevant for local trails: the bill would set a default speed limit of 20 miles per hour on shared-use paths like rail trails, while letting each municipality set its own local limit instead.
A few other provisions to watch
Several smaller provisions could matter for Sudbury, too. The bill directs the State to reward communities that adopt pro-housing policies when it hands out competitive grants. Sudbury minted a Housing Production Plan last year, which is a strong signal to the State, and there has been much discussion about creating and purchasing additional affordable housing units across boards and committees in recent months.
For example — the Sudbury Housing Trust recently met with the Liberty Ledge/Sewataro Advisory Committee to discuss the possibility of locating additional affordable units on the perimeter of the property. That concept has already met fierce opposition in public comments and on social media. However, it remains to be seen if the vague incentives for Towns in the economic development bill will change the calculus for local housing strategies, or influence the public’s appetite on housing proposals, event at a time when municipalities are desperate for new revenue sources.
The bill also creates a local-option path for converting commercial buildings into housing, potentially relevant along the Route 20 corridor. And it eliminates the state cap on restaurant and bar liquor licenses, giving towns control over how many they issue.
What happens next
Because the House and Senate passed different versions, the details could still shift over the coming months. Residents who want to follow the bill can track S.3178 at malegislature.gov. The text of the bill is below.