WALTHAM, MA - On November 10th, the Waltham 911 center began receiving numerous calls for a truck fire northbound on I-95 prior to Trapello Road. Engines 2 and 4 were dispatched. Upon arrival, Engine 2 reported the cab of a tractor-trailer was fully involved. It took them about 20 minutes to put the fire out. The driver was uninjured, but traffic northbound was backed up for 10 miles.