List of primary state highways serving Virginia state institutions

State Route 217 is the designation for the roads on the grounds of the Southwestern Virginia Mental Health Institute (State Street, Morison Drive, Hospital Avenue) in Smyth County that are maintained by the Virginia Department of Transportation. The roads were added to the state highway system in 1932, and the number was in use by 1936. ==SR 302==

State Route 302 is the designation for the roads on the Grounds of the University of Virginia in Albemarle County and the City of Charlottesville that are maintained by the Virginia Department of Transportation, including Copeley Road and Massie Road. The roads were added to the state highway system in 1932, and the number was in use by 1936. ==SR 303==

State Route 303 is the designation for the roads on the grounds of the Virginia Military Institute in the City of Lexington that are maintained by the Virginia Department of Transportation. The roads were added to the state highway system in 1932, and the number was in use by 1936. ==SR 305==

State Route 305 is the designation for George Collins Parkway, the access road from SR 211 to the New Market Battlefield State Historical Park in Shenandoah County. The road was first designated in 1968, and the number was in use by 1971. ==SR 308==

State Route 308, Three Creeks Road, appeared in 1938 as a renumbering of part of SR 32 in Southampton County. In 1949 the part from SR 612 to SR 40 was made a secondary road, leaving behind the part of SR 308 from US 58 to just north of the Southampton Correctional Center, at a junction with SR 612 and SR 735. ==SR 310==

State Route 310 is the designation for State Farm Road, the access road from SR 6 to the now closed James River Correctional Center and back to SR 6 in Goochland County. The road was first designated in April 1991. ==SR 310 (former)==

State Route 310 was the designation for the access road to the Virginia School for the Deaf and Blind in the City of Staunton. The road was first designated in June 1932, and was decommissioned before SR 310 was reassigned to the James River Correctional Center in 1990. ==SR 313==

State Route 313 is the designation for the access road from US 522 to the Beaumont Learning Center in Powhatan County. This designation also covers some (but not all) roads within the facility. It is unknown when the road was first designated, although the July 1932 CTB meeting minutes specifically mention this road. ==SR 314==

State Route 314 is the designation for the roads on the grounds of the Virginia Polytechnic Institute and State University (Virginia Tech) in Montgomery County that are maintained by the Virginia Department of Transportation. The roads may have been added to the state highway system in 1932, and the number was in use by 1939. ==SR 315==

State Route 315 is the designation for the access road into the Virginia Museum of Fine Arts in the City of Richmond. It is located off of SR 161. ==SR 317==

State Route 317 was the designation for the access road into the Blue Ridge Sanatorium in the City of Charlottesville. It connected the sanatorium with SR 20. It was first commissioned in July 1932, and was decommissioned in April 2002. ==SR 318==

State Route 318 is the designation for the access road to the Virginia State Capitol from Ninth Street in the City of Richmond. Because of the nature of the building it accesses, one needed to have a proper pass to drive on this road until December 2019, when the designation was slightly extended to cover four nearby publicly-accessible roads. It is unknown when this road was first commissioned, but it may have been as early as 1941. ==SR 319==

State Route 319 is the designation for 7th Avenue, the access road to the Central State Hospital just outside Petersburg in Dinwiddie County. It connects US 1/US 460 Business with SR 142. ==SR 320==

State Route 320 is the designation for Catawba Hospital Drive, the access road to the Catawba State Hospital in Roanoke County. It connects SR 779 with SR 698. This road first appeared as a renumbering of then-SR 123 in 1941. ==SR 321==

State Route 321 is the designation for Monticello Avenue, the access road to The College of William & Mary in James City County and the City of Williamsburg. It extends from SR 199 to the college. ==SR 322==

State Route 322 is the designation for roads on the grounds of Eastern State Hospital in James City County. It extends from SR 612 to SR 615. ==SR 323==

State Route 323 is the designation for roads on the grounds of the Piedmont Geriatric Hospital, which was built on the grounds of the old Piedmont Sanatorium in Nottoway County. It extends from US 360 to US 460. ==SR 324==

State Route 324 is the designation for the ingress and egress roads to the Bon Air Learning Center, which was built on the grounds of the old Virginia Home and Industrial School for Girls in Chesterfield County. It extends from SR 718 through the learning center and back to SR 718. ==SR 325==

State Route 325 is the designation for the access road to the Barrett Learning Center, which was built on the grounds of the old Virginia Industrial School for Colored Girls in Hanover County. It extends from SR 651 to the learning center. ==SR 326==

State Route 326 is the designation for Broad Neck Road to the Commonwealth of Virginia Public Safety Training Center, which was built on the grounds of the old Virginia Manual Labor School in Hanover County. It extends from SR 605 to the learning center. ==SR 327==