Transportation The main highways providing access to Grottoes are U.S. Route 340 and Virginia State Route 256. US 340 provides north–south access, connecting to Interstate 64 near Waynesboro and U.S. Route 33 near Elkton. SR 256 provides access to and from the west, connecting to Interstate 81 near Weyers Cave.
transportation the main highways providing access to grottoes are us route 340 and virginia state route 256 us 340 provides north–south access connecting to interstate 64 near waynesboro and us route 33 near elkton sr 256 provides access to and from the west connecting to interstate 81 near weyers cave