The Standard Drawings and Design Standards went into effect on January 1, 2006. If the drawing you are looking for is not within one of these links, refer to the 2015 or newer ODOT/APWA Standard Specifications for Construction. These standards are updated each April and October.
Standard drawings CD750 and CD755 are no longer utilized. For currently utilized specs, refer to ODOT/APWA Standard Specifications for Construction.