Lewisville firefighters are responding to a call about a gas leak near business state Highway 121 between East Corporate Drive and Farm-to-Market Road 3040.
Firefighters tweeted that the intersection at 121/Corporate and Valley View at Business 121 would be closed.
Businesses in the area have been evacuated, but so far no residents have been evacuated, officials said.
The cause of the gas leak has not been determined, but construction equipment was seen in the area.
Fire officials said at 1:30 p.m. that the gas leak had been fixed and that the roads would soon reopen.