Sweeney Julian Personal Injury Trial Attorneys
Sweeney Julian Personal Injury Trial Attorneys

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Your Premier Indiana Personal Injury Trial Attorneys

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The 4 dangerous blind spots of a semi-truck

On Behalf of | Feb 23, 2026 | Truck Accidents |

Driving across Northern Indiana means sharing the road with thousands of heavy commercial vehicles. Many drivers assume that because they can see a semi-truck, the trucker can see them. However, large rigs have significant “No-Zones” where a standard car can completely disappear from a driver’s field of vision. Understanding these blind spots is vital for anyone commuting through South Bend or St. Joseph County.

The four dangerous No-Zones

If you are traveling in these four areas, the truck driver may not know you are there. These blind spots are much larger than those on a typical passenger car:

  • The passenger side: This is the most dangerous No-Zone. It can span two highway lanes and stretches along the entire length of the trailer.
  • The driver side: While smaller than the passenger side, this zone still hides vehicles traveling just behind the cab.
  • Directly behind: Trucks rely on external side-mounted mirrors because trailers block the view of a standard interior mirror. Indiana law requires these mirrors to provide a view of the road for at least 200 feet behind the vehicle. If you follow too closely, you remain invisible.
  • The front: Depending on the truck’s design, a driver’s front blind spot can extend up to 20 feet. If you merge too closely in front of a truck, you risk an “override” accident—a collision where the truck’s height and weight allow it to travel over the top of your vehicle.

Stay safe on Indiana highways

The best rule of thumb is simple: if you cannot see the truck driver’s face in their side mirror, they cannot see you. Therefore, you should always pass quickly on the left and provide plenty of room before merging back into their lane. As a passenger vehicle driver, you are you are the best line of defense in preventing a collision by following safety best practices.

Furthermore, safety is a shared responsibility, but trucking companies must ensure their drivers manage these visibility gaps. Both state and federal safety regulations set strict standards for how these vehicles must be equipped and operated. In Indiana, failing to meet these safety standards can be a central factor in determining liability after a crash.

Why these spots lead to complex accidents

If a collision occurs because a driver failed to check their mirrors or a company neglected equipment maintenance, the resulting injuries are often catastrophic. These cases require a deep dive into electronic logging data and maintenance records.

Consulting a legal professional is vital because trucking accidents involve complex federal safety regulations and corporate insurance policies that are difficult to navigate alone. An attorney can help you secure critical evidence, such as “black box” data and driver logs, to ensure you receive fair compensation for serious injuries.

 

 

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