Spring break is the deadliest time of year for holiday travel in Florida, new research shows

On any given U.S. holiday, traffic crashes claim more than 500 lives.

But according to a new study published in Risk Analysis, the real danger lurks early in the annual calendar.

The spring break window (from late February through early April) carries a significantly higher traffic fatality and injury risk than the Thanksgiving-to-New Year's Day holiday stretch and every other period of the year. ...