Thousands of these truck drivers take to the road every day, carrying the most dangerous substances across the country. Here's what they've been through this year.
Thousands of these truck drivers take to the road every day, carrying the most dangerous substances across the country. Here's what they've been through this year.
Thousands of these truck drivers take to the road every day, carrying the most dangerous substances across the country. Here's what they've been through this year.
