Flames were seen pouring from a truck on Interstate 95 in Waltham, Massachusetts, on Friday afternoon.
The truck was pulled into the breakdown lane and traffic was passing alongside as smoke billowed from the cab.
It wasn't immediately clear if anyone was hurt. A person was seen standing behind the burning vehicle.
The scene of the fire was cleared after about an hour, according to the Massachusetts Department of Transportation.
Get Boston local news, weather forecasts, lifestyle and entertainment stories to your inbox. Sign up for NBC Boston’s newsletters.