sentences:  US 221 heads east on Forest Road toward Forest while SR 122 heads north on Longwood Avenue out of the town of Bedford.SR 122 continues north as Big Island Highway through the hamlet of Centerville, which contains the historic home Otterburn, and over the Big Otter River.The state highway passes between Suck Mountain and Hurricane Mountain before reaching its northern terminus at US 501 (Lee Jackson Highway) just north of the village of Big Island on the James River.