Tony Stewart remembers life-threatening Daytona 500 crash, reflecting on safety changes after Earnhardt's tragic death.

When it comes to deadly roads, the data showed I-45 is the deadliest with 42 fatal wrecks so far this year ... and who better than former NASCAR driver turned driving instructor Brad Coleman.

His death was the first of three fatal crashes in NASCAR that year. Seven-time cup champion, Dale Earnhardt competed in the NASAR Cup Series from the mid-1970s until his death in February 2001.