sentences:  Exit 420 is the last exit on I-40 before its terminus on US 117/NC 132
  
  The freeway bears several names in addition to the I-40 designation.Throughout the state the freeway is known as the Blue Star Memorial Highway a name shared with multiple interstates across the state.From the Guilford-Alamance county line to one mile east of NC 54, in Graham, I-40/I-85 is known as the Sam Hunt Freeway.