Improvements in the U.S. economy and the growing job market may be contributing to the rising traffic fatality rate, according to a study by the Insurance Institute for Highway Safety.

The data collected in the study shows a correlation between employment rates and traffic fatalities. In 2008, when unemployment rates were at the highest levels in decades, traffic fatalities reached the lowest level in over twenty years.

Researchers behind the study concluded that high unemployment rates, combined with high gas prices and loss of income, prevented most people from regularly traveling and commuting in a vehicle.

Traffic Study: Why We are Seeing an Increase in Traffic Fatalities

In 2015, there was a 7.2 percent increase in traffic fatalities. The National Highway Traffic Safety Administration (NHTSA) believes that this may have been due to an improved U.S. eco