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Committee hears bills to let towns set 20 mph limits in some local streets

New Hampshire Senate Transportation Committee · January 20, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Sen. Sue Prentiss and Sen. Denise Rishardy presented companion bills (SB 630, SB 559) to allow municipalities to set lower limits (20 mph) on locally controlled roads after traffic engineering studies; safety groups urged adoption and DOT explained local authority and implementation questions.

Two companion bills before the Transportation Committee would lower the minimum posted speed limit municipalities may set on locally controlled roads from 25 mph to 20 mph in business, urban residence and outside‑urban districts, subject to standard traffic engineering investigations.

Sen. Sue Prentiss (SB 630) and Sen. Denise Rishardy (SB 559) framed the bills as safety measures aimed at protecting pedestrians, cyclists and micro‑mobility users. Paul Suska of Bike Walk Alliance and other advocates cited research showing much lower rates of fatal and severe injury at 20 mph versus 30 mph and urged municipalities be given the authority, not the obligation, to adopt lower limits after appropriate studies.

DOT and highway safety staff did not take an official position on local authority but provided technical context: DOT’s traffic engineers noted class‑5 local roads are governed by local authority, the term 'urban' can be subject to interpretation in statute, and traffic engineering studies remain the evidentiary basis for setting speeds. The DOT representative said lowering posted limits is one of several countermeasures that can reduce crashes when paired with design and enforcement.

Committee members asked clarifying questions about the definition of 'urban' and how the change would interact with existing state speed‑zone authority; no vote was recorded at the hearing.