sentences:  The portion of LA 30 from Downtown Baton Rouge to the LSU campus serves as a small link in the Great River Road, which is designated as a National Scenic Byway.The Louisiana Highway Commission and the state's first system of numbered highways were created in 1921.At that time, the main road traveling from Downtown Baton Rouge through what would soon become the new campus of Louisiana State University was Highland Road, which was designated as part of State Route 63.