Two wrecks in two days at the same location may serve as a reminder to drive safely during the Fourth of July holiday. On Thursday morning, Georgia State Patrol and Liberty County officers responded to a wreck at mile marker 71 in the northbound lanes of I-95.Betty and Robert Grant McArthur, both 88, of Crescent City, Fla., were driving north when Robert McArthur drove off the right side of the road. While trying to regain control, he hit a construction barrel and drove off the right shoulder. According to GSP Russell Taunton, the 1994 Lincoln Towncar rolled several times as it went down the embankment and Betty McArthur was thrown out of the car. Authorities radioed for the Life Star helicopter that transported the injured woman to Memorial Health in Savannah.Her husband was taken by Liberty Regional EMS to Memorial as well, and was later released with minor injuries. As of Friday afternoon Betty McArthur was listed in critical condition with head injuries and was in the Intensive Care Unit.Second wreckLiberty County sheriff’s deputies responded to a one-vehicle wreck around 11 a.m. Friday at mile marker 71, this time in the southbound lanes. The incomplete incident report was not clear whether the driver lost control or was forced off the road by a semi-truck, as a witness at the scene reported.The gold Toyota Camry was found on the embankment on the right side of the road, but the three individuals refused EMS treatment and appeared to be in good condition. The Camry was a total loss.