The Kodsi Post is our blog, featuring useful and informative articles written by our very own experts.
Check back frequently to see our latest posts, or sign up for our newsletter to have a digest of the best articles delivered right to your inbox 4 times a year.

Safety articles:

To deploy or not to deploy? That is the question…

We are often asked to explain why the airbags did or didn’t deploy in a particular collision. Many people have a misconception that airbags will or should “go off” if the vehicle was travelling faster than a certain speed. But travel speed is not a key factor for... read more

“Bracing” for The Future of Injury Biomechanics

With the increasing autonomous capabilities of vehicles, and with fully driverless cars just on the horizon, many automotive manufacturers are promising a future with fewer traffic fatalities and serious injuries. Although the types of crashes we see most often will... read more

Left or Right? How to Pass Safely

  When we need to get somewhere, there is nothing more frustrating than being stuck behind a slower car ahead on the highway! Luckily, the transportation engineers who designed our roads were annoyed by that as well, so they have given us some options to get... read more

The Evolution of Automotive Safety Systems

Automotive safety systems have evolved tremendously considering that the humble seatbelt wasn’t even mandatory in new North American vehicles until 1968, 13 years after it was first made available as an option (see “The Seatbelt Turns 60” for more on... read more

The Seatbelt Turns 60: An Interview with Sam Kodsi

  Sam Kodsi is a Consulting Professional Engineer and the President of Kodsi Forensic Engineering. Sam worked in seatbelt component manufacturing before shifting gears and becoming an expert in forensic engineering, crash reconstruction, injury biomechanics, and... read more

How a Properly Worn Seatbelt Does its Job

Correctly worn seat belts help to contain occupants in their seats and allow most of the collision forces associated with a rapidly decelerating vehicle to be applied across the chest and pelvis. A properly fitted shoulder belt should lie securely across the center of... read more

Lane Change Collisions and Blind Spot Assessment

Changing lanes can be one of the riskiest driving manoeuvres that a driver performs; lane change collisions account for about 4 to 10 percent of all automotive crashes. Research suggests that most involved drivers were unaware of the presence of the other vehicle. ... read more

Motorcycle Myths and Facts

With riding season upon us, we thought this would be an excellent time to debunk a few common myths about motorcycles. MYTH: motorcycles do not have black boxes Some motorcycles do have event data recorders similar to those found in passenger vehicles.  Some... read more

Watch your feet on vacation!

In Canada, there are standards and guidelines for walkways and roadways to promote pedestrian and motorist safety. Unfortunately, many counties do not have the same standards for walkway discontinuities, potholes, and other hazards that lead to trips, slips, and... read more

The Amber Signal Conundrum

As you approach an intersection facing a green traffic signal, you sometimes find yourself in an awkward position when the traffic signal changes to amber, and you need to make a choice about whether you should firmly apply your brakes and stop, or continue through... read more

Give Your Neck a Chance

How to Properly Position Your Head Restraint   Neck injuries in rear end collisions are extremely common and account for billions of dollars in insurance claims every year.  Where your seatbelt restricts the forward motion of your body relative to the vehicle in... read more

Why the 2-second following rule?

Imagine you are driving down a highway and the driver in the vehicle ahead suddenly slams on their brakes. Your vehicle should be able to decelerate about as rapidly if you also slam on your brakes. However, when it comes to responding to a road hazard, it takes some... read more

Hydroplaning 101: Driving Safely in Spring Showers

Spring showers may be a welcome change from the harsh cold and road slush. Unfortunately, your vehicle is susceptible to encountering unusually high water levels on the road during this season. When one or more tires on a vehicle actually loses contact with the road... read more

Get A Grip: The Importance of Winter Tires

Tires are the most significant safety equipment on vehicles; they are the only part of our cars, vans, trucks, and SUVs that touch the road, and they transfer all driving forces. Yet, with the exception of Québec which has mandatory winter tire legislation, only about... read more

Did You Know….?

A lot of collisions happen when people are rushing to get home.  Transport Canada’s National Collision Database included information from about 1.5 million collisions that occurred across Canada between 1999 and 2008. The hours between 3 and 6 pm had the highest... read more
Your browser is out-of-date!

Update your browser to view this website correctly. Update my browser now

×