Route 102 begins at the north end of Center Street (SR 1103) in the town of Pocahontas on the Virginia side of the state line.
Route 102 intersects an old railroad grade and parallels Laurel Fork out of the town of Pocahontas.
The highway parallels the river and Norfolk Southern Railway's Pocahontas District southeast through the communities of Bluestone and Nemours.
[3] Route 102 continues south along the Bluestone River and Pocahontas District rail line through Falls Mills to the Virginia town of Bluefield, where the highway's name becomes College Avenue.
Route 102 reaches its eastern terminus at the state line—and the boundary between the two Bluefields—next to the stadium parking lots.