 SR 166 follows the four-lane divided street along the western edge of the Norfolk State University campus and intersects US 58 (Virginia Beach Boulevard) before turning onto four-lane undivided Princess Anne Road, which heads west as SR 404.SR 168 has a grade crossing of Norfolk Southern's rail line to Sewell's Point and expands to a divided highway as it passes along the northern edge of an industrial area, where the highway meets the southern end of SR 194 (Sewells Point Road).SR 166 follows Princess Anne Road to its eastern end at Military Highway, which is US 13 heading south and SR 165 heading north.