I won't claim that I can do it, because I'm just not that good. I make lots of mistakes, and I usually yell at myself when I realize I've done it.
I can, however, time intersections in areas that I'm familiar with fairly effectively. That would include left turns, not as much, but still to an extent.
In an area with "parallel routes", left turns can be nearly wholly eliminated if the route allows for it.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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