03-11-13, 09:35 PM
Local to me, B4437 from the A361 to the A44 (part of the so-called "Charlbury TT - very twisty, up and down, tight, challenging), A44 from Woodstock to Moreton-in-Marsh (fast and winding, rises and falls with the landscape), also A361 from Banbury to Daventry.