32 CFR 636.23 - Turning movements.
(b) Right-turns will be made from a position as close to the right edge or right curb of the roadway as possible.
(c) Left-turns will be made from a position as close to the center line as possible or from a left turn lane, if available.
Title 32 published on 2013-07-01
no entries appear in the Federal Register after this date.