 In 1969, NC 11/NC 55 was rerouted to its current alignment along Tiffany Street (today Dr. Martin Luther King Jr. Boulevard), with its old alignment along East Street and Washington Avenue downgraded to secondary roads.Near Grifton, NC 11 was placed on new western bypass, leaving behind Highland Boulevard/Avenue.North Carolina Highway 401 (NC 401) was established as a new primary spur of NC 40 to the North Carolina Coastal Plains Experiment Station (agriculture testing facility), south of Wallace.