Quick answer
A work zone truck accident can involve drivers passing through a construction zone or workers such as flaggers and road crews. Responsibility may fall on the truck driver, the trucking company, a contractor, or a government agency. If a public entity like ADOT or a city may be at fault, Arizona requires a notice of claim within 180 days.
A work zone truck accident can change lives in seconds. Lanes shift, speeds drop, traffic stops without warning, and workers stand only feet from moving freight. When a heavy truck fails to slow down or misjudges a lane shift, the people in front of it, whether drivers or crew members, often have nowhere to go.
This guide covers crashes involving drivers who pass through a work zone and workers who are hit while on the job. It explains who may be responsible and which Arizona deadlines apply. For a broader overview, see our Phoenix truck accident lawyer page.
Why work zone crashes matter in Phoenix
Construction is common across the Valley. ADOT freeway projects, city street work, utility crews and private development all bring cones, barriers and flaggers onto roads that also carry heavy trucks. Freeway projects on corridors like I-10, I-17 and the Loop system can mean narrowed lanes, shifted lanes and closed shoulders for long stretches.
ADOT runs ongoing work zone safety (opens in a new tab) outreach to drivers. For statewide crash data, see ADOT's Arizona Motor Vehicle Crash Facts (opens in a new tab).
How work zone truck crashes happen
Common patterns include:
Rear-end crashes when traffic slows at a lane closure and a truck does not stop in time.
Lane-shift crashes when a trailer drifts across a shifted or narrowed lane.
Workers struck by a truck that enters a closed lane, a shoulder or a flagging area.
Equipment crashes involving dump trucks, water trucks and other vehicles moving in and out of the work area.
Speed is often a key question. Arizona law bars driving faster than is reasonable and prudent under the conditions and the actual and potential hazards, and requires drivers to control their speed to avoid a collision (A.R.S. 28-701 (opens in a new tab)). Following too closely, distraction and fatigue can also play a role. Our guide to hours of service violations explains the federal driving-time limits.
Arizona work zone rules
Arizona has specific rules for state highway work zones. ADOT must adopt standards for traffic control devices in state highway work zones, including signs posted at least 1,000 feet before a work zone. Where workers are present, signs must warn that civil penalties double for speeding and must be posted at least every 2,500 feet within the work zone (A.R.S. 28-652 (opens in a new tab)).
In a designated state highway work zone, a driver may not go faster than the speed posted by traffic control devices. Where workers are present, a driver found responsible for speeding there also pays an additional assessment equal to the civil penalty (A.R.S. 28-710 (opens in a new tab)).
Arizona's "move over" law applies when a driver approaches a stationary vehicle displaying alternately flashing lights or warning lights. The statute is not limited to emergency vehicles, so it may also cover a stopped work vehicle showing warning lights, depending on the facts. On a highway with at least two lanes going the same way, the driver must proceed with due caution and, if possible, move to a lane not next to the stationary vehicle. If that is not possible or safe, the driver must slow down to a safe speed (A.R.S. 28-775(E) (opens in a new tab)).
A traffic ticket and a civil injury claim are separate matters. A violation may be relevant evidence, but how it is used in a civil case is a legal question for your lawyer.
The traffic control plan
Most road projects follow a plan that sets where signs, cones, barrels, barriers, arrow boards and flaggers go. Arizona law directs ADOT to adopt standards for work zone safety and mobility in state highway work zones. For projects that require a traffic management plan, those standards call for consulting area law enforcement and emergency responders, and the plan must include an emergency vehicle access plan (A.R.S. 28-652 (opens in a new tab)).
In a work zone crash case, the plan matters. It can show what warnings drivers should have seen, how much room trucks had, and whether the layout on the day of the crash matched the plan. Daily logs, inspection notes and photos taken by the contractor may show changes.
If you were driving the truck
Truck drivers get hurt in work zones too, for example when another vehicle cuts in at a lane closure or when a barrier or lane shift is poorly marked. If you were driving for work, you may have a workers' comp claim and a claim against another driver, a contractor or a public entity. Our guide for injured truck drivers explains your options.
Who may be responsible
More than one party can share fault. Arizona generally holds each defendant responsible only for its own share, with exceptions such as when parties acted in concert or one was the other's agent or employee (A.R.S. 12-2506 (opens in a new tab)). Depending on the facts, investigators may look at:
The truck driver, for speed, following distance, distraction or fatigue.
The trucking company, for hiring, training, scheduling and vehicle maintenance.
A construction or traffic control contractor, for how signs, cones, barriers and flaggers were set up and staffed.
A public entity, such as ADOT, a county or a city, if a road design or work zone decision is at issue. Public entities may have defenses and immunities that private parties do not, such as immunity for certain policy decisions (A.R.S. 12-820.01 (opens in a new tab)) and a defense for some transportation designs that met accepted engineering standards (A.R.S. 12-820.03 (opens in a new tab)).
Our guide on who is liable in a truck accident explains how fault is shared among these parties.
If you were working when the truck hit you
Flaggers, laborers, inspectors and equipment operators face real danger in a work zone. If you were hurt on the job, you may have two separate paths.
Workers' compensation. In general, workers' comp is your only remedy against your own employer and co-workers acting within their jobs, with limited exceptions (A.R.S. 23-1022 (opens in a new tab)).
A third-party claim. If someone outside your employer caused the crash, such as a trucking company, you may also pursue a claim against that party (A.R.S. 23-1023(A) (opens in a new tab)). If you do not file that lawsuit within one year after the cause of action accrues, the claim is deemed assigned to the workers' comp insurer or self-insured employer (A.R.S. 23-1023(B) (opens in a new tab)). If you do recover from the third party, the comp insurer or self-insured employer generally has a lien on the amount collected, after reasonable costs and attorney fees, for the benefits it paid (A.R.S. 23-1023(D) (opens in a new tab)).
Our guide for people hit by a truck at work in Arizona walks through how these two claims fit together. Our firm handles both workers' compensation and personal injury claims.
What to do after a work zone truck accident
Get medical care. If you are a worker, tell your supervisor and report the injury as your employer requires.
Get the crash report number and note which police agency responded.
Photograph the work zone if it is safe: signs, cones, barriers, lane markings, lighting and the truck's position.
Write down names. That includes the trucking company and USDOT number, the contractor on site, and any flaggers or crew who saw the crash.
Do not sign releases or give recorded statements to an insurer before you get legal advice.
Act early on public entity deadlines. If a city, county or the state may be involved, the 180-day notice of claim clock may already be running.
Ask about preservation letters to the trucking company and contractors. Hours-of-service records and supporting documents only have to be kept for 6 months (49 CFR 395.8(k) (opens in a new tab)).
Arizona deadlines that apply
Public entity notice of claim: 180 days. Claims against a public entity, public school or public employee must be filed with the person authorized to accept service within 180 days after the cause of action accrues. The claim must include facts explaining the basis for liability and a specific amount for which it can be settled, with supporting facts. A late claim is generally barred (A.R.S. 12-821.01 (opens in a new tab)).
Public entity lawsuit: one year. Actions against a public entity or public employee must be brought within one year after the cause of action accrues (A.R.S. 12-821 (opens in a new tab)).
Private parties: generally two years (A.R.S. 12-542 (opens in a new tab)).
Workers' comp third-party claim: one year before assignment to the insurer (A.R.S. 23-1023 (opens in a new tab)).
Comparative fault. Your recovery may be reduced by your share of fault but is not automatically barred (A.R.S. 12-2505 (opens in a new tab)).
How we can help
A lawyer can help identify the companies and agencies connected to the work zone, send notices and preservation letters, and coordinate the workers' comp and injury claims where both apply. Our firm handles both workers' compensation and personal injury claims. Our contingency fee means no attorney fee unless there is a recovery. The fee percentage and how case costs are handled depend on the case, and if there is no recovery you may still owe case costs. Attorney Gil Hacohen speaks English, Hebrew and Spanish.
Talk to a Phoenix truck accident lawyer for free
Tell us what happened. We'll review your situation and explain your options. There's no fee unless you recover money.
Frequently asked questions
Who can be responsible for a work zone truck accident?
Depending on the facts, the truck driver, the trucking company, a construction or traffic control contractor, or a public entity that owns or manages the road may be investigated. Each party's share of fault is generally decided separately under Arizona law (A.R.S. 12-2506).
I am a road worker who was hit by a truck. Can I do more than file workers' comp?
Workers' compensation is generally the only remedy against your own employer and co-workers, with limited exceptions, under A.R.S. 23-1022. But you may also have a claim against a third party, such as the trucking company, under A.R.S. 23-1023. If you do not file that third-party lawsuit within one year after the cause of action accrues, the claim is deemed assigned to your employer's workers' comp insurer or self-insured employer.
What is the deadline if ADOT or a city may be at fault?
Claims against a public entity or public employee must be filed as a notice of claim within 180 days after the cause of action accrues (A.R.S. 12-821.01), and a lawsuit generally must be filed within one year (A.R.S. 12-821).
Is a private construction contractor treated like a government agency?
Not automatically. Arizona's public entity statutes define employee to exclude independent contractors (A.R.S. 12-820). A private contractor may be subject to the regular two-year deadline in A.R.S. 12-542, but the facts and contracts need review.
Are speeding fines higher in Arizona work zones?
Yes. In a designated state highway work zone where workers are present, a driver found responsible for speeding pays an additional assessment equal to the civil penalty under A.R.S. 28-710.
What evidence matters most after a work zone crash?
The traffic control plan, sign and barrier placement, project daily logs, flagger records, the truck's electronic data, the driver's hours-of-service records and any camera video can all matter. Some of it may be changed when the work zone moves.