Most Phoenix drivers instinctively think of the freeways as the dangerous part of their commute. The data says otherwise. A majority of serious traffic injuries in the Phoenix area happen at intersections, not on the I-10 or the Loop 101. That gap between perception and reality matters if you’ve been hurt in a crash, because the specific location where it happened may have a documented history that directly affects how fault gets determined and who pays.
At Klink Law, attorney David J. Klink reviews these cases personally. Understanding where Phoenix’s most dangerous intersections are, why they keep producing serious crashes, and how Arizona law applies to them is part of the foundation we build for every intersection accident claim we handle.
Phoenix’s Highest-Risk Intersections According to Regional Crash Data
The Maricopa Association of Governments publishes crash-risk rankings using a methodology called the Network Screening Methodology for Intersections (NSM-I). Rather than simply counting collisions, NSM-I weights three factors: crash frequency, crash severity, and crash type. Severity carries the heaviest weight, which means an intersection with 40 crashes involving serious injuries can rank as more dangerous than one with 80 minor fender-benders. MAG’s most recently published five-year ranking places 99th Avenue and Lower Buckeye Road, 67th Avenue and McDowell Road, and 67th Avenue and Indian School Road among the highest-risk intersections in the region. These aren’t just busy spots. They’re locations where crashes consistently send people to emergency rooms.
One intersection in the MAG data carries particular significance for our clients. The intersection of 51st Avenue and Camelback Road sits directly on the Phoenix-Glendale border and recorded 201 crashes in MAG’s 2018–2022 analysis. Rear-end and left-turn collisions dominate the crash profile there, a pattern that reflects the speed and lane volume of Camelback Road as it crosses through both cities.
Looking at the regional list as a whole, nearly all of the highest-ranked intersections sit west of Central Avenue, concentrated along arterial corridors including Indian School Road, McDowell Road, and Camelback Road. They form a recognizable geographic pattern across the west Phoenix and Glendale communities where many of our clients live and work.
Why These Intersections Keep Producing Serious Injuries
The crash types that dominate these locations matter because they directly influence how severe an injury is likely to be.
T-Bone Collisions
A T-bone, or side-impact collision, is one of the most dangerous crash configurations on the road. A vehicle’s door panel and side window offer far less structural protection than its front and rear crumple zones. When a vehicle is struck broadside at speed, the occupants on the impact side absorb a tremendous amount of force with very little between them and the striking vehicle. These crashes frequently produce traumatic brain injuries, spinal damage, fractured ribs, and internal organ injuries.
Wide Arterials with High Speed Limits
Phoenix’s west-side arterial grid features roads that are six to eight lanes wide with posted limits of 45 to 55 miles per hour. That combination creates long crossing distances for turning vehicles and pedestrians, and it means that when a driver misjudges a gap, the collision happens at freeway-level speeds. The geometry of these roads is a structural contributor to the severity scores MAG assigns them.
Left-Turn Crashes
Left-turn collisions occur when a driver crossing opposing lanes misjudges the speed or distance of oncoming traffic. On a six-lane arterial at 50 miles per hour, the margin for error is extremely small. A vehicle that appears far enough away can close that gap in under two seconds. These crashes produce T-bone impacts at high speed and account for a disproportionate share of the fatalities in MAG’s severity-weighted rankings.
Phoenix’s Renewed Camera Enforcement on These Same Corridors
The City of Phoenix relaunched its Photo Safety Program on February 23, 2026, placing nine speed-monitoring cameras on corridors selected based on data identifying roadways with a high number of serious and fatal crashes. Those corridors overlap significantly with the city’s High Injury Network and with the MAG intersection risk rankings. Citations began on March 25, 2026, after a 30-day warning period, and camera locations are scheduled to rotate every six months. One of the nine enforcement corridors runs along 51st Avenue, the same corridor as the historically high-crash Camelback Road intersection at the Phoenix-Glendale border. This placement reflects the city’s own acknowledgment, through its Vision Zero Road Safety Action Plan, that this corridor has produced a disproportionate share of serious injuries.
The relaunch also creates a new layer of potential evidence in crash cases. Speed records from these cameras can document vehicle speeds in the period leading up to a collision, and the data-driven rationale behind camera placement can support arguments about whether a location’s history was known to city officials.
What Arizona Law Says About Fault at These Intersections
The legal framework governing fault at Phoenix intersections contains details that most drivers don’t know and that insurance adjusters are counting on them to miss.
Arizona’s Pure Comparative Negligence Rule
Arizona follows pure comparative negligence under A.R.S. Section 12-2505. An injured driver can recover compensation even if found partially at fault for the crash. The recovery is reduced by the injured person’s percentage of fault, but it isn’t eliminated. A driver found 30% responsible for a crash that caused $100,000 in damages can still recover $70,000. Insurance companies routinely argue that an injured driver bears some share of the fault in order to reduce their payout. Knowing that argument doesn’t bar a claim entirely changes how those negotiations should be approached.
The Left-Turn Yield Statute
Under A.R.S. Section 28-772, a driver turning left at an intersection must yield to oncoming vehicles that are either within the intersection or close enough to pose an immediate hazard. That statute puts the left-turning driver at a legal disadvantage in most fault disputes. If you were struck by a driver who turned left into your path, the statute directly supports their fault. If you were making the left turn, the statute creates a presumption that needs to be addressed with physical evidence, witness statements, or signal timing data. Either way, it’s the starting point for the fault analysis, not driver accounts of what they thought they saw.
Government Claims & the 180-Day Deadline
Some intersection crashes involve factors beyond two drivers: a malfunctioning signal, a road design defect, inadequate signage, or a government vehicle. When a city-maintained signal or infrastructure defect contributes to a crash, Arizona law requires a written notice of claim within 180 days of the injury under A.R.S. Section 12-821.01. That deadline is far shorter than the standard two-year statute of limitations for personal injury claims under A.R.S. Section 12-542. Missing the 180-day window doesn’t just weaken the claim. It eliminates it. If there’s any chance that government negligence contributed to a crash, that deadline starts running on the day of the accident.
What to Do After a Crash at One of These Intersections
The steps taken in the first hours after an intersection crash have a direct effect on the strength of any legal claim that follows.
- Document everything at the scene. Photograph the vehicles, the intersection, any skid marks, the signal heads, and any damaged signage. Note the exact time and the direction each vehicle was traveling.
- Seek medical care immediately. Some of the most serious injuries from T-bone collisions, including spinal injuries and internal bleeding, don’t produce obvious symptoms right away. A same-day medical evaluation creates a contemporaneous record that links the injury to the crash.
- Don’t discuss fault with anyone at the scene or with an insurance adjuster. Anything said about what happened before the full picture is known can be used to reduce or deny compensation under Arizona’s comparative negligence rules.
- Request the crash report from Phoenix Police or Glendale Police. The report will document the officer’s initial fault assessment and may note signal malfunctions or road conditions that trigger the 180-day government claim deadline.
- Note whether any cameras were present. Fixed enforcement cameras, traffic monitoring cameras, and nearby business cameras can all capture footage that may not be preserved unless someone requests it quickly.
Arizona’s short government notice deadline and the complexity of comparative fault disputes make early legal review genuinely important in these cases. Attorney David J. Klink reviews the details of intersection crashes personally and can be reached at (602) 483-6059 for a no-obligation consultation.