From Port Columbus Airport (East Side):
Take I-270 North to the Cleveland Avenue Exit.
Take Cleveland Avenue North and move to far left immediately.
At the first light (Schrock Road) turn left.
Proceed on Schrock to the fifth traffic light (Doubletree Avenue) and turn left.
Follow Doubletree Avenue until it turns right and becomes Crupper Avenue.
The National Board offices are on your left as you turn onto Crupper at 1055, 1065, and 1075.
From Downtown (South):
Take I-71 North to Route 161 Exit.
Turn left and proceed west on Route 161 to the second traffic light (Busch Blvd).
Turn right onto Busch Boulevard, continue to third light and turn right (Kingsmill Parkway).
Take Kingsmill to first road and turn right (Singletree Avenue).
Follow Singletree until it turns left and becomes Crupper Avenue.
At the end of Crupper Avenue the National Board offices are on your right at 1055, 1065, and 1075.
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Click here for directions to the National Board Testing Laboratory