Most Dangerous Cycling Scenarios Involving Cars

It may sound obvious, but it’s worth repeating: bicycles and motor vehicles can be a deadly mix.

According to the National Highway Traffic Safety Administration, between 1,000 and 1,200 bicyclists die each year in the United States in crashes involving motor vehicles. More than 100,000 cyclists are treated for injuries annually.

While many non-fatal bicycle accidents happen without cars — such as falls or collisions with objects — the most dangerous situations almost always involve motor vehicles.

Here are some of the most common and high-risk scenarios:

Dooring
This happens when someone in a parked car opens a door into the path of a cyclist. It is especially common in cities with street parking. A rider may crash into the door or swerve into traffic to avoid it.

Right-hook turns
A driver passes a cyclist and then turns right directly across the rider’s path. The cyclist may have little time to brake or avoid impact.

Left-cross or left-hook crashes
A vehicle turns left in front of an oncoming cyclist, either at an intersection or from the opposite direction. Drivers often misjudge a cyclist’s speed or fail to see them at all.

Rear-end collisions
A driver strikes a cyclist from behind, often due to distracted driving, speeding, or low visibility. These crashes can be especially severe.

Overtaking or sideswipe crashes
A vehicle passes too closely and clips the cyclist. Even a slight bump at high speeds can cause a serious fall.

Failure to yield at intersections
Intersections are high-risk areas. Drivers may turn or cross through without noticing a cyclist who has the right of way. Similar failures can happen at driveways or mid-block crossings.

Safety experts say driver negligence — such as distracted driving, failure to check blind spots, or failure to yield — plays a major role in many of these crashes. However, cyclist visibility and right-of-way mistakes can also contribute.

To reduce risk, cyclists are encouraged to wear bright clothing, use lights even during the day, ride predictably, and follow traffic laws. Drivers are urged to slow down, allow at least three feet when passing, and always check mirrors and blind spots before turning or opening a car door.

Sharing the road safely requires attention from everyone. When bicycles and cars cross paths, awareness can mean the difference between a close call and a tragedy.