Va. Code § 33.2-300
The Board may plan, designate, acquire, open, construct, reconstruct, improve, maintain, discontinue, abandon, and regulate the use of the Interstate System in the same manner in which it is now or may be authorized to plan, designate, acquire, open, construct, reconstruct, improve, maintain, discontinue, abandon, and regulate the use of the primary state highway system. The Board may vacate, close, or change the location of any highway or street in the manner in which it is now authorized by law to vacate, close, or change the location of a highway in the primary state highway system. The Board has any and all other authority and power relative to the Interstate System as is vested in it relative to highways in the primary state highway system, including the right to acquire by purchase, eminent domain, grant, or dedication title to lands or rights-of-way for such interstate highways whether within or without the limits of any city or town, and in addition thereto has such other power, control, and jurisdiction necessary to comply with the provisions of the Federal-Aid Highway Act of 1956 and all acts amendatory or supplementary thereto, all other provisions of law to the contrary notwithstanding.
Va. Code § 33.2-300