sentences:  The state highway heads northeast as two-lane Booker T. Washington Highway.SR 122 crosses the Blackwater River, a tributary of the Roanoke River, and the former river's tributary, Maggodee Creek, before meeting the southern end of SR 116 (Jubal Early Highway) at Burnt Chimney.The state highway continues east by Booker T. Washington National Monument, which preserves the birthplace of Booker T. Washington.