How does Massachusetts no-fault insurance work after a car accident?

Massachusetts's no-fault system (M.G.L. c. 90, § 34A et seq.) requires every registered vehicle to carry Personal Injury Protection (PIP) coverage with a minimum of $8,000. After an accident in Massachusetts: (1) Your own PIP coverage pays your medical expenses and 75% of lost wages (up to limits) up to $8,000, regardless of who caused the accident. You file a PIP claim with YOUR OWN insurer, not the at-fault driver's insurer; (2) The at-fault driver's insurance is relevant only once you exceed the PIP no-fault system: under M.G.L. c. 231, § 6D, you can bring a bodily injury tort claim against the at-fault driver only if your injury resulted in death, loss of a body member, permanent disfigurement, loss of sight or hearing, or medical expenses exceeding $2,000. The $2,000 medical expense threshold is easily met in modern Massachusetts accidents — any emergency room visit, MRI, or physical therapy course will typically exceed $2,000; (3) Once the $2,000 threshold is met: you transition from the no-fault PIP system to the standard liability tort system — filing a third-party claim against the at-fault driver's liability coverage or suing the at-fault driver directly; (4) Health insurance coordination: PIP is primary before health insurance; if your PIP runs out, health insurance covers remaining expenses (then health insurance has subrogation rights against any eventual tort recovery); (5) Subrogation: your PIP insurer may have a right to recover the PIP payments from the at-fault driver's insurer once the tort claim is resolved. Practical timeline: file the PIP claim immediately after the accident; get full treatment; once PIP is exhausted or $2,000 medical threshold is met, engage the liability system and/or the at-fault driver's insurer.

What is the statute of limitations for car accident claims in Massachusetts?

Massachusetts imposes a 3-year statute of limitations for personal injury claims arising from car accidents under M.G.L. c. 260, § 2A. The clock starts on the date of the accident. Three years is the same as Washington state's period — but meaningfully longer than Arizona's 2-year period and longer than some other states. Key limitations considerations in Massachusetts: (1) Wrongful death: 3 years from the date of death (M.G.L. c. 229, § 2) — in a car accident wrongful death case, the 3 years runs from the death, not the accident date (these can differ if the victim survived days or weeks before dying); (2) Government entity claims: claims against Massachusetts state or local government entities face additional procedural requirements. Claims against the Massachusetts Bay Transportation Authority (MBTA) and similar public entities require a presentment (a formal written claim) as a condition precedent to suit. Claims against Massachusetts itself are subject to M.G.L. c. 258 (Massachusetts Tort Claims Act), requiring presentment to the relevant government authority within 2 years and then a 6-month waiting period before suit; (3) Minors: M.G.L. c. 260, § 7 tolls the limitations period during minority — a child has 3 years after reaching age 18 (until age 21) to file personal injury claims; (4) Uninsured motorist claims: M.G.L. c. 175, § 113L governs UM coverage; contractual limitations in the UM policy may apply for UM claims, which can be as short as 2 years — check your UM policy's limitation provision. The 3-year period for Massachusetts auto accident claims is firm — don't miss it, particularly since the PIP process may create a false sense that a claim is being actively processed.

The other driver was more at fault, but I was also partly at fault in my Massachusetts accident. Can I still recover?

Yes, if your fault percentage is 50% or less — Massachusetts uses modified comparative fault with a 51% bar (M.G.L. c. 231, § 85). How it works: if you were 30% at fault, you recover 70% of your damages from the defendant; if you were 50% at fault, you recover 50% of your damages; if you were 51% or more at fault, you recover nothing. The 51% threshold is a hard cutoff: in Arizona, a plaintiff 99% at fault can still recover 1%; in Massachusetts, a plaintiff 51% at fault recovers zero. Real-world scenarios: a Massachusetts driver who ran a yellow light but was then T-boned by a driver who ran the red light may have comparative fault attributed — how much depends on fact-finding; a pedestrian jaywalking who is hit by a speeding driver may have comparative fault; a rear-end collision victim who was tailgating or had non-operational brake lights may have some comparative fault allocated. Insurance adjuster practice: adjusters use the comparative fault framework to negotiate reductions in settlement offers — an adjuster who attributes 30% fault to you is offering 70 cents on the dollar before negotiating on damages. Documenting that the other driver was primarily at fault (dashcam footage, witnesses, police report findings) is critical in modified comparative fault states where arguments over fault percentage directly affect recovery and can potentially cross the 51% bar.

Can I sue the City of Boston or another Massachusetts municipality if road conditions caused my accident?

Yes, but Massachusetts government entity claims require compliance with the Massachusetts Tort Claims Act (M.G.L. c. 258) and its presentment requirement before suit is possible. The presentment requirement: before filing a lawsuit against a Massachusetts government entity (state, city, town, county, public authority like MBTA), the claimant must serve a written presentment of the claim on the entity's executive officer (the mayor of Boston, the town administrator, the MBTA's general manager, etc.) within 2 years of the date the claim arose. The government entity then has 6 months to respond. If the entity denies the claim or doesn't act within 6 months, the claimant can file suit within the remaining 3-year limitations period. Government immunity exceptions: Massachusetts has waived sovereign immunity for negligent acts under M.G.L. c. 258, with important exceptions — Massachusetts retains immunity for discretionary functions (policy decisions about which roads to maintain, budget allocation choices) but not for ministerial acts (routine road maintenance, pothole repair, sign installation). A claim that Boston should have repaired a known pothole (operational maintenance) is different from a claim that Boston should have redesigned the intersection (a discretionary design decision). MBTA claims: MBTA accidents (bus, subway, commuter rail) require presentment to the MBTA general manager. The MBTA has previously argued specific immunity provisions, but Massachusetts courts have imposed liability for MBTA negligence in various contexts. Important: the 2-year presentment deadline for government claims is different from and shorter than the 3-year limitations period for private-party claims — missing the presentment period bars the government claim even if the 3-year suit period hasn't expired.

Massachusetts requires uninsured motorist coverage. What are my options if I was hit by an uninsured driver?

Massachusetts requires all auto insurers to include Uninsured Motorist (UM) coverage in every policy with minimum limits of $20,000/$40,000 — unlike some states where UM must be affirmatively offered or purchased, Massachusetts includes it by default in the mandatory insurance package. If you're hit by an uninsured driver: (1) File a PIP claim with your own insurer for initial medical expenses (up to $8,000); (2) Once the tort threshold is met ($2,000 in medical expenses or other qualifying injury): file a UM claim with your own insurer for your bodily injury damages beyond PIP; (3) UM pays as if your insurer is the at-fault driver's insurer — your insurer investigates, determines liability, and pays damages up to your UM limits; (4) If the hit-and-run driver cannot be identified: Massachusetts UM coverage applies to unidentified hit-and-run drivers, but typically requires physical contact with the hit-and-run vehicle to activate UM coverage (a purely phantom vehicle — a car that forced you off the road without contact — may not qualify under some UM policy language). Underinsured motorist (UIM) coverage in Massachusetts: separate from UM, UIM applies when the at-fault driver has some insurance but not enough to cover your damages. Massachusetts UIM is an optional purchase (not included by default) but strongly recommended given the potential for serious injuries and the risk of encountering minimum-coverage drivers. With Massachusetts minimum liability at $20,000/$40,000, a serious injury victim can exhaust the at-fault driver's limits quickly — UIM fills the gap up to your own UIM policy limits.

Car Accident Laws in Massachusetts (2026)

Car Accidents in Massachusetts: why without sacrificing clarity for length, recorded statement risk, and the first official sources worth checking shape the opening strategy

Clearer statewide car accidents guidance for Massachusetts built around recorded statement risk, the first official sources worth checking, and the official path readers usually need first.

Reviewed January 2026 3 min read Official-source grounded Ver en Espanol En Español

Key Takeaways

No-fault PIP: $8,000 mandatory PIP pays first (M.G.L. c. 90 § 34A); tort threshold met when medical bills >$2,000 or serious injury (M.G.L. c. 231 § 6D)
Modified comparative fault 51% bar (M.G.L. c. 231 § 85): >50% fault = zero recovery; 50% fault = 50% recovery; strict cutoff unlike pure-comparative states
SOL: 3 years (M.G.L. c. 260 § 2A); government entity claims require 2-year presentment FIRST under M.G.L. c. 258; MBTA presentment to MBTA GM
UM coverage included by default in MA mandatory insurance at $20,000/$40,000; UIM is separately purchased but highly recommended
Urban accident hotspots: Boston Harbor tunnels, Route 128 corridor, MBTA station pedestrian intersections — municipal liability claims require M.G.L. c. 258 presentment

Key Numbers — Massachusetts All 50 states →

Filing Deadline 3 years

Fault Rule Modified Comparative

Insurance System No-Fault

Key Statute M.G.L. c. 260 § 2A

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Massachusetts is one of a diminishing number of states that still uses a "no-fault" auto insurance system for minor accident injuries — but Massachusetts's no-fault system is meaningfully different from Florida's or Michigan's. Under Massachusetts's Personal Injury Protection (PIP) mandate (M.G.L. c. 90, § 34A et seq.), every registered vehicle must carry at least $8,000 in PIP coverage. PIP pays the first $8,000 of medical expenses and 75% of lost wages (up to certain limits) to the injured person regardless of who caused the accident — processing claims through the injured person's own insurer, not the at-fault driver's insurer. This no-fault-first framework means most minor injury claims never become liability claims against the at-fault driver.

The tort threshold — when can you step outside the no-fault system and sue the at-fault driver? Massachusetts uses a "serious injury" threshold (M.G.L. c. 231, § 6D): a plaintiff may bring a bodily injury tort claim against the at-fault driver only if the injury involves death, loss of a body member, permanent and serious disfigurement, loss of sight or hearing, or medical expenses exceeding $2,000. The $2,000 medical expense threshold (which hasn't been adjusted for inflation since the 1980s) is easily crossed in modern Massachusetts accidents involving emergency room treatment, physical therapy, or any imaging studies. Once the threshold is met, the plaintiff exits the no-fault system and pursues a standard tort claim. Massachusetts's no-fault system therefore functions mainly as a delay/reduction mechanism for minor soft-tissue injuries rather than a true first-party-only system like the old no-fault model envisioned.

Modified Comparative Fault: The 51% Bar

Massachusetts follows modified comparative fault under M.G.L. c. 231, § 85, with a 51% rule: a plaintiff who is 50% or less at fault may recover, but their damages are reduced by their percentage of fault; a plaintiff who is 51% or more at fault recovers nothing. This is materially different from pure comparative fault states (Arizona, Washington) where a 70% at-fault plaintiff still recovers 30% of damages. In Massachusetts: being found more than 50% responsible completely bars recovery. The practical effect: comparative fault negotiations in Massachusetts are particularly important, because the difference between a 49% allocation to plaintiff and a 51% allocation is not a 2% difference in recovery — it's the difference between partial recovery and zero recovery. This creates hard negotiating leverage for defense counsel in cases where plaintiff conduct was substantial.

Route 128 Tech Corridor, Boston Harbor Tunnel, and Urban Accident Realities

Massachusetts's accident landscape is heavily urban — Greater Boston's network of highways (I-93, I-95/Route 128, I-90 Massachusetts Turnpike, the Ted Williams Tunnel and Sumner Tunnel under Boston Harbor) creates specific accident contexts. The Boston-Cambridge urban corridor generates high-density pedestrian and cyclist accidents — Massachusetts law provides specific pedestrian right-of-way protections (M.G.L. c. 89, § 11) imposing duties on drivers approaching crosswalks. Bicycle accidents in Cambridge, Somerville, and Boston's bike lane network involve both driver negligence and municipal liability questions when infrastructure defects contributed. The Green Line and Red Line T (MBTA) stations create pedestrian mixing with high-traffic arteries at subway entrance/exit points — accidents at T station areas have produced cases addressing both MBTA liability (with specific procedural requirements) and driver liability. Massachusetts's high cost of living means economic damages in Massachusetts accident cases include some of the highest medical costs, lost wages, and future earning capacity calculations in the country.

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