Curves constrain use of vehicle automation
Adaptive cruise control and more sophisticated partial automation are as much as 75 percent less likely to be active on freeway curves, limiting their potential safety benefits.
Crash rates rise in states with legal marijuana
New research from IIHS and HLDI confirms the trend, but a separate study of injured drivers found no increase in crash risk from the drug except when combined with alcohol.
Study tallies losses from disabled-vehicle crashes
Hundreds of people are killed and thousands injured each year in crashes involving stopped or disabled vehicles that may not have stood out well to drivers, a new study finds.
