An Effingham woman was injured in a one vehicle accident on Interstate 70 near Vandalia on Thursday. Illinois State Police reports say the accident occurred at 12:44 pm on Thursday afternoon on Interstate 70 west bound, 2 miles east of Vandalia. Illinois State Police reports say a vehicle driven by 72 year old Julie Hoffman of Effingham was traveling west bound on I-70 when the vehicle left the side of the roadway entering the median, traveling down a concrete bridge embankment, crossing a country road, traveling up another concrete embankment before coming to rest in the median. Hoffman was flown from the scene by Air Evac to Barnes Hospital in St. Louis.