(Translated by https://www.hiragana.jp/)
IIHS-HLDI

We are a nonprofit scientific and educational organization dedicated to making roads and vehicles safer for everyone.

Latest news

Lax helmet laws come with deadly cost

More than 20,000 motorcyclists who died in crashes in the U.S. since the mid-1970s would have survived if stronger helmet laws had been in place.

Search our vehicle ratings

Start typing a vehicle name and a list of choices will appear. You can specify a year too.

Award winners

Browse the vehicles that perform best in our evaluations

TOP SAFETY PICK and TOP SAFETY PICK+ awards
Insight by Jessica Cicchino

Designing vehicles for pedestrian safety

Good road design is essential for safe, walkable communities, but it's not enough. Vehicles also need to be designed with pedestrians in mind.

Four vehicles fall short in IIHS tests

The recently updated moderate overlap front test tripped up two vehicles, while another pair stumbled in the longstanding small overlap test.

Behind the ratings

Learn what vehicle safety tests we conduct and what goes into each evaluation.

Key issues in road safety

Advanced driver assistance

Front crash prevention, partial automation, limitations of crash prevention technologies

Alcohol and drugs

Alcohol and crash risk, laws, marijuana enforcement

Distracted driving

Cellphone use and crash risk, device laws, technologies to combat distraction

Large trucks

Trucking regulations, fatigue, braking systems, underride

Motorcycles

Helmet laws, ABS, motorcycle types

Pedestrians and bicyclists

Vehicle designs, intersections, crash avoidance technologies, daylight savings time

Red light running

Effectiveness of cameras, signal timing, communities using red light safety cameras

Seat belts

Why belts matter, state laws, reminders and interlocks

Speed

Dangers of speed, by the numbers, traffic calming, intelligent speed assistance

See all our research areas