Where do broadside collisions most commonly occur

Colburn Law

Posted by Greg Colburn in Car Accidents on August 15, 2025

Greg Colburn

personal injury lawyer

Broadside collisions, commonly known as T-bone accidents, rank among the most dangerous types of vehicle crashes on Washington roads. These collisions happen when the front end of one car strikes the side of another, often at a right angle. The impact can result in catastrophic injuries, particularly to occupants on the side of the vehicle that absorbs the crash, due to minimal side-impact protection.

So, where do broadside collisions most commonly occur? These incidents are most prevalent in high-risk traffic areas across Washington, including busy intersections, highway entrance and exit ramps, and even private roads where right-of-way confusion is more likely. These environments create numerous opportunities for driver error, making them prime locations for serious side-impact crashes.

At Colburn Law, our team has worked tirelessly to support victims of these preventable accidents. We provide compassionate, strategic legal representation aimed at helping injured individuals and their families recover the compensation they need to rebuild their lives.

Get In Touch With Us

Colburn Law is here to help. Call 206-919-3215 to schedule your free consultation. Get the justice and compensation you deserve—serving Seattle and all of Washington!

Send Message Call Us: 206-919-3215

What is a Broadside Collision?

Broadside collisions, also known as T-bone accidents, happen when the front end of one vehicle crashes into the side of another. These collisions typically occur at a perpendicular angle and are among the most severe types of accidents on Washington roadways. They most commonly occur at intersections, where vehicles must navigate complex traffic signals and multiple lanes of opposing traffic. When drivers ignore right-of-way rules, run red lights, or fail to pay attention, they put others at serious risk.

In Washington State, intersections present a significant danger for this very reason. The force of a broadside impact can lead to crushed doors, collapsed roof pillars, and severe injuries to occupants, especially those sitting on the side of impact.

Where Do Broadside Collisions Most Commonly Occur?

Intersections

The most common location for broadside collisions is at intersections. These areas are hubs of converging traffic, where vehicles traveling in multiple directions frequently intersect. Intersections demand rapid decision-making and clear judgment, and a single mistake—such as failing to yield or misreading a signal—can lead to a serious side-impact crash. Broadside collisions at intersections often involve drivers making left turns across oncoming traffic or attempting to beat a yellow light, which significantly increases the risk of impact. 

Intersections in urban environments, where traffic volume is higher and visibility may be restricted by signage, buildings, or other vehicles, are particularly hazardous. Locations lacking turn signals, or where traffic signs are ignored or obscured, only heighten the danger. These conditions make intersections the most common setting for broadside collisions, with many resulting in severe injuries due to the high likelihood of direct impact on the side of a vehicle.

T-intersections and Four-Way Intersections

T-intersections and four-way intersections are especially vulnerable to broadside collisions. Drivers must often make quick decisions about right-of-way while judging the speed and distance of cross traffic. A slight misjudgment can result in a serious T-bone crash.

These intersections commonly involve unprotected left turns and yield scenarios that can confuse even experienced drivers. A vehicle entering without fully scanning the intersection risks a high-speed side impact, especially in suburban areas where signage may be limited.

Highway On-Ramps

On-ramps and highway exits are also hot spots for T-bone accidents in Washington. Drivers trying to merge into fast-moving traffic may misjudge another vehicle’s speed or distance. Similarly, a vehicle exiting the highway too quickly can collide with one traveling on a frontage road. These transition zones require careful merging, but aggressive or distracted drivers often fail to use caution.

Parking Lots

Even though speeds are generally lower in parking lots, broadside accidents can still occur. A driver backing out of a space without checking for cross-traffic or cutting through parking lanes without yielding may strike another vehicle’s side. In these areas, pedestrians are also at risk of injury from side impacts.

Private Roads

Broadside collisions also happen on private roads such as those in residential neighborhoods, parks, or recreational areas. These roads may lack clear signage or have obstructed views due to landscaping or poorly maintained infrastructure. Because drivers often assume these areas are safer, they may drive inattentively or too quickly, increasing the risk of side-impact crashes.

Contact a Seattle WA Personal Injury Lawyer

Send Message Call Us: 206-919-3215

Common Causes of Broadside Collisions

Broadside accidents rarely happen without human error. Understanding what causes these collisions is essential for prevention and liability claims.

Failure to Yield Right-of-Way

Not yielding when required is one of the top causes of broadside collisions in Washington. This includes drivers who turn left at an intersection without waiting for a safe gap, or those who merge from side streets without looking for oncoming traffic. Misjudging who has the legal right to proceed leads to countless preventable accidents every year.

Running Red Lights or Stop Signs

Disregarding traffic control signals significantly increases the risk of a broadside accident. A driver running a red light may crash directly into a vehicle that has just entered the intersection with a green light. Similarly, blowing through a stop sign creates chaos for cross-traffic. In high-speed zones, these mistakes can be fatal.

Distracted Driving

Texting, using a GPS, or adjusting a playlist may seem harmless, but Washington law prohibits holding a wireless device while driving. In fact, if police see a driver holding a phone, they can issue a $124 fine. According to the Washington Department of Licensing, such distractions are a leading cause of traffic violations and crashes statewide.

Excessive Speeding

Speeding reduces a driver’s ability to stop in time or maneuver safely. In Washington, the Revised Code (RCW 46.61.400) sets speed limits of 25 mph in city streets, 50 mph on county roads, and 60 mph on state highways. However, drivers must also reduce their speed when approaching intersections or other hazards. Failure to follow speed regulations leads to many high-impact side collisions, especially when visibility is poor or reaction times are limited.

Poor Visibility

Fog, rain, and darkness are common conditions in Washington that reduce driver visibility. When drivers can’t see signs, signals, or other vehicles clearly, they’re more likely to run a red light or miss a crossing car. Poorly lit intersections or roads without adequate signage also contribute to this hazard.

Drowsy Driving

Fatigued drivers are more likely to overlook important traffic cues and react slowly to sudden changes in traffic flow. Drowsiness affects decision-making and coordination, increasing the likelihood of entering intersections unsafely or drifting across lanes.

Driving Under the Influence

Alcohol and drug use severely impair a driver’s judgment, perception, and reaction time. Intoxicated drivers may misinterpret traffic signals or fail to yield, leading to devastating broadside impacts. DUI-related crashes are aggressively prosecuted in Washington, but the physical and emotional toll on victims can be life-altering.

What Are the Immediate Steps After a Broadside Collision?

Get Medical Attention

Your first priority should be safety and health. Even if you don’t feel injured right away, some conditions, like internal bleeding or concussions, can develop over hours or days. Call 911 and allow paramedics to evaluate your condition. Emergency documentation also helps establish an injury record for future claims.

Collect Essential Information

Gather the names, contact details, insurance information, and license plate numbers of all parties involved. If possible, take photos of the crash site, vehicle damage, road conditions, and any visible injuries. This evidence can support your claim later on.

Notify Your Auto Insurance Company

Report the accident to your insurance provider as soon as possible. Be cautious about providing recorded statements without legal counsel, as anything you say could impact your claim. Stick to the facts and avoid speculating about fault.

Contact a Qualified Auto Accident Lawyer

A car accident attorney familiar with Washington law can help you understand your rights and navigate the claims process. We thoroughly investigate the circumstances of each case to establish fault, gather evidence, and negotiate for the full compensation our clients deserve.

How Do You Seek Compensation After a Seattle Broadside Car Accident?

In Washington State, compensation after a broadside collision typically includes medical bills, lost income, property damage, and pain and suffering. If the at-fault driver was negligent, their liability insurance should cover your losses. However, insurance companies often try to minimize payouts or deny claims altogether.

Washington follows a comparative fault system, meaning your compensation may be reduced if you are found partially at fault. An experienced Seattle car accident attorney can defend your rights and build a strong case for maximum recovery. If the other driver was uninsured or underinsured, your own policy’s coverage may also apply.

Get Help from a Seattle Car Accident Lawyer Today

Broadside collisions can leave you with more than just vehicle damage—they can change your life in an instant. If you’re still asking, where do broadside collisions most commonly occur, you already know how dangerous intersections, on-ramps, and other crossing points can be. At Colburn Law, we’re ready to stand by your side, answer your legal questions, and fight for the compensation you need to move forward. Let us handle the legal burden while you focus on recovery. Call our office today to schedule a free consultation with a Seattle car accident lawyer.

Check Out More Helpful Articles

• How Do You Handle a Side-Swiped Car Incident?
• Pros and Cons of Driverless Cars
• Washington State Car Accident Laws

Client reviews

What Our Clients Are Saying About Us

Sean S.

1 months ago

If you only contact one lawyer after an accident I would tell you to contact Greg Colburn

What Can I Say – Greg put in a vast amount of effort to accomplish what I thought would be an impossible feat . He was able to get the result I wanted and the settlement I could have only dreamed of – If you only contact one lawyer after an accident I would tell you to contact Greg Colburn and you wont be sorry !!!! Thank you So very Much

View More Testimonials