The Rivanna Subdivision is a railroad line owned by CSX Transportation in the U.S. State of Virginia. It was formerly part of the CSX Huntington East Division. It become part of the CSX Florence Division on June 20, 2016. The line runs from Richmond, Virginia to Gladstone, Virginia for a total of 119.2 miles. At it's east end the line continues west from the Peninsula Subdivision and at it's west end the line continues west as the James River Subdivision.