Navigating Traffic Laws After an Accident in Massachusetts and New Hampshire

In the aftermath of a motor vehicle accident, understanding the laws that govern the road is more than a formality — it’s often central to determining fault, assessing liability, and ultimately guiding how your case is resolved. From speed limits to right-of-way rules, traffic regulations play a critical role in helping courts, insurance companies, and legal teams establish who was responsible and what may have led to the crash.

Both Massachusetts and New Hampshire have their own unique sets of driving laws. While they may share similarities, there are important differences that could impact how your case is handled depending on where the accident took place. For example, Massachusetts operates under a modified comparative fault system, while New Hampshire follows a slightly different liability framework. Knowing how these legal nuances play into your rights — and responsibilities — is essential.

Something as seemingly minor as who had the right of way at the time of the crash can be a deciding factor in determining fault. If you’re not sure how those rules are defined — or whether another driver violated them — you can learn more about Right of Way Laws in MA and NH and how they may affect your personal injury claim.

Speed is another common issue in accident cases, especially when it's unclear whether one party was exceeding the legal limit. Both states have clearly defined rules for maximum and minimum speed limits, and understanding them can help clarify fault. We’ve broken those down in detail on our Speed Limit Guidelines page.

Whether you’re dealing with questions around intersections, lane changes, or signage confusion, becoming familiar with the basic traffic laws in your state can make all the difference. The rules of the road aren’t just theoretical — they help paint a clearer picture of what “safe and legal driving” looks like when everything else is in dispute.