Revision: Jan. 7, 2026, 12:36 p.m.
SB 631-FN - AS INTRODUCED
2026 SESSION
26-2221
06/05
SENATE BILL 631-FN
AN ACT installing a sound barrier on Interstate 93 southbound.
SPONSORS: Sen. Carson, Dist 14; Rep. Packard, Rock. 16; Rep. Lundgren, Rock. 16; Rep. W. MacDonald, Rock. 16
COMMITTEE: Transportation
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ANALYSIS
This bill directs the department of transportation to install sound barriers along the southbound side of Interstate 93, between Pillsbury Road and the Exit 4 Southbound off-ramp.
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Explanation: Matter added to current law appears in bold italics.
Matter removed from current law appears [in brackets and struckthrough.]
Matter which is either (a) all new or (b) repealed and reenacted appears in regular type.
26-2221
06/05
STATE OF NEW HAMPSHIRE
In the Year of Our Lord Two Thousand Twenty-Six
AN ACT installing a sound barrier on Interstate 93 southbound.
Be it Enacted by the Senate and House of Representatives in General Court convened:
1 Department of Transportation; I-93 Southbound Installation of Sound Barriers. The department of transportation shall install sound barriers beginning at Pillsbury Road in Londonderry, New Hampshire and running south along the west side of Interstate 93 bordering the Woodmont Development property line for a distance of approximately 1,845 feet to the Route 102 exit ramp (Exit 4) up to the stone cut cliff along the exit ramp.
2 Effective Date. This act shall take effect upon its passage.
26-2221
Revised 1/7/26
SB 631-FN- FISCAL NOTE
AS INTRODUCED
AN ACT installing a sound barrier on Interstate 93 southbound.
FISCAL IMPACT: This bill does not provide funding.
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Estimated State Impact | |||||
| FY 2026 | FY 2027 | FY 2028 | FY 2029 | |
Revenue | $0 | $0 | $0 | $0 | |
Revenue Fund(s) | None | ||||
Expenditures* | $0 | $0 | $8,071,875 | $0 | |
Funding Source(s) | Highway Fund, Federal Funds | ||||
| $0 | $0 | $0 | $0 | |
Funding Source(s) | None | ||||
*Expenditure = Cost of bill *Appropriation = Authorized funding to cover cost of bill | |||||
METHODOLOGY:
This bill would require the Department of Transportation to construct sound barriers along the I-93 southbound side between the Pillsbury Road and the I-93 Exit 4 southbound off-ramp. The Department states the barriers are expected to be about 1,845 feet long and 25 feet high, totaling roughly 46,125 square feet, at an estimated cost of $8,071,875, based on an estimated cost of $175 per square foot. The Department states federal funding could only be used if the project meets state noise policy requirements, otherwise it would need full state or alternative funding. If federal eligibility is confirmed and the bill is enacted, the project would displace another project, or projects, currently in the Ten-Year Transportation Improvement Plan.
AGENCIES CONTACTED:
Department of Transportation