The one advantage of the westbound Glenmore exit to 69 St being a loop is that traffic using it to U-turn only has to go through one light to get back eastbound. Then, it's not like there's a ton of traffic coming out of Discovery Ridge going NB on 69 St in the PM rush, so there'd be a relatively high amount of free cycle time at the southern intersection to heavily favour left turners, as if it were the AM rush.
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