This map shows the most dangerous federal highway by total traffic fatalities per mile. You might be surprised to see that the southeast, deep south, and southern California are where the majority of the most dangerous roads exist. Overall I-4 in Florida is the most deadly highway per mile and is surrounded by many more of the nation's deadliest highways as well. What is Florida doing differently? We may never know.
Infographic by: www.teletracnavman.com