the Interstate Railroad used an orange paint scheme, as shown on one locomotive that Norfolk Southern painted in 2012 to honor its 30th anniversary
Source: Norfolk Southern, Our Colorful Heritage
The Lynchburg & Danville Railroad received a charter from the General Assembly on February 21, 1866.1
"Virginia Midland Railroad Company," Annual Report, Virginia, Railroad Commissioner, 1898, p.327, https://books.google.com/books?id=mCUaAQAAIAAJ (last checked June 2, 2020)
The Orange, Alexandria and Manassas Gap Railroad and the Lynchburg & Danville Railroad were authorized to merge in 1871 to form the Virginia & North Carolina Railroad. When company officals organized the new railroad in 1873, they chose to name it the Washington City, Virginia Midland & Great Southern Railroad. It went through bankruptcy, and emerged in 1881 as the Virginia Midland Railway.1
"Virginia Midland Railroad Company," Annual Report, Virginia, Railroad Commissioner, 1898, p.327, https://books.google.com/books?id=mCUaAQAAIAAJ (last checked June 2, 2020)