Emergency crews responded to a vehicle fire along Route 35 in Mason County Friday morning that has kept traffic at a standstill for hours. A trailer caught fire at mile marker 19 near the Putnam-Mason County line about 7 a.m., according to emergency dispatchers. No injuries have been reported as a result of the fire. The Division of Highways has diverted traffic to Route 817. No timetable has been provided on when the roadway will reopen.