BLACKWELL, Okla. -- High winds and blowing dust have closed I-35 in both directions in Kay County Thursday afternoon.
Authorities said over a dozen people have been injured in 20 to 30 accidents during the dust storm; their conditions are unknown at this time.
Wind gusts as high as 55 miles per hour blew a massive dust storm through northern Oklahoma reducing visibility to less than 10 feet.
Near black-out conditions forced the crews to close I-35 near the Kansas-Oklahoma border.
Traffic officials have not said when they expect to open the roads again.
- I-35 northbound will be detoured at Tonkawa (mm 214) westbound on US60, northbound on SH74 and eastbound on SH11 to Blackwell.
- I-35 southbound will be detoured at Blackwell westboundon SH11, southbound on SH74 and eastbound on US60 to Tonkawa.
Authorities are asking drivers to avoid the area.