FANCY GAP, Va .– A travel advisory was released on Tuesday after high winds knocked over four semi-trailers in the Fancy Gap, Va. Area of Interstate 77. The Wytheville Division of the Police Department Virginia State and the Virginia Department of Transportation have issued a travel advisory for the According to Corinne N. Geller, Director of Public Relations for the Virginia State Police, the Fancy Gap area of I-77 in the Carroll County experiences sustained winds of 35 mph to 40 mph, with dangerous wind gusts of up to 70 mph. Because the high winds are expected to continue throughout Wednesday evening, Virginia State Police are advising commercial vehicles under 25,000 pounds gross weight to avoid using Interstate 77 across the Fancy Gap area, which is between the 2 and 3 mile markers. in Virginia, Geller said. Photo courtesy of the Virginia State Police. Commercial vehicles less than 25,000 pounds gross weight are advised to seek an alternate route until the winds safely subside, Geller said. The lanes of I-77 are open to through traffic, but motorists are urged to use extreme caution when crossing the Fancy Gap area. State Police have already responded to four semitrailers overturned on I-77 Tuesday morning at the 2 mile post The first occurred at around 5:38 a.m. when a semitrailer was overturned while moving north on I -77. The vehicle rolled over onto the guardrail. The driver was not injured. At 6:18 a.m., a second tractor-trailer overturned while traveling on the north lane of I-77. This driver was taken to a nearby hospital for treatment of non-fatal injuries. A third semi-trailer overturned at 7:47 a.m. and a fourth at 9:03 a.m. None of those crashes resulted in injury to the driver, Geller said. .