ST. GEORGE, Utah — A 41-year-old woman from St. George has been arrested on felony DUI charges after a crash that left a pedestrian injured and forced a major roadway closure on Wednesday evening. The incident occurred on Riverside Drive, an area currently undergoing construction, prompting authorities to shut down the road around 6:30 p.m., according to a statement from the St. George Police Department. The woman, identified as Renee Renet Vianelli, is accused of driving under the influence of marijuana at the time of the crash. A probable cause affidavit released by authorities states that Vianelli was traveling east…