WINCHESTER — The Frederick County Transportation Committee on Monday expressed concerns that the county may not get the Interstate 81 improvements it needs to reduce traffic congestion and accidents. The Office of Intermodal Planning and Investment, the Virginia Department of Transportation and the Department of Rail and Public Transportation are studying the entire length of the I-81 corridor in the Virginia, as directed by the General Assembly, to identify changes that will reduce traffic backups and crashes as well as find the funding to make those changes. The I-81 study team identified 105 projects — valued at $4.25 billion —...