Merge Onto I-77 S. Use The Right 2 Lanes To Take Exit 1B For I-485/James G Martin Freeway Toward Pineville/Huntersville.Keep Right At The Fork And Continue Toward I-485/I-485 Outer Then Keep Left At The Fork To Continue On Exit 1B, Follow Signs For Martin Frwy/I-485 Outer S/Pineville And Merge Onto I-485/I-485 Outer. Take Exit 61 For Us 521/Johnston Rd.Turn Right Onto Us-521 S/Johnston Rd, Then Continue Straight To Stay On Us-521 S/Johnston Rd To Walnut Creek Pkway, Turn Left Into The Community.