Lane splitting” refers to the practice of riding a motorcycle between clearly marked lanes for traffic traveling in the same direction. “Filtering”refers to the practice of riding a motorcycle between stopped motor vehicles to the front of the pack, typically at a signalized intersection.

Both are currently illegal in VA

https://americanmotorcyclist.com/lane-splitting/#:~:text=%E2%80%9CLane%20splitting%E2%80%9D%20refers%20to%20the,traveling%20in%20the%20same%20direction.&text=%E2%80%9CFiltering%E2%80%9Drefers%20to%20the%20practice,typically%20at%20a%20signalized%20intersection.