From Durham Take Us-15 Bus N/Us-501 Bus N/N Roxboro St. Use The Left 2 Lanes To Turn Left Onto The I-85 S/Us-15 S/ Us-70 W Ramp To Greensboro. Take Exit 175 For Nc-157 N/Guess Rd. Use The Right 2 Lanes To Turn Right Onto Nc-157 N/ Guess Rd. 6817 Guess Rd. Is On The Left.