2016-10-05T20:36:47Ztag:sursumcorda.salemsattic.com,2018:/isso/thread/post/the-zipper-mergetag:sursumcorda.salemsattic.com,2018:/isso/1316/45612016-10-05T20:36:47ZJon Daley<p>I have found that it usually works, particularly if there are a bunch of people doing it, rather than just one or two speeding down.</p> <p>Every once in a while I find someone who doesn't follow the every other rule when slow traffic is merging together.</p> <p>It is more common that I find high sites merges coming onto the highway that don't even look in the mirror and just expect that I'll slow down for them.</p> <p>The thing I think would never work in the US that does work in Japan is elevator optimization, that throughput can be much higher if people don't take the first elevator available, but let the elevator organize people into groups going to similar floors.</p>tag:sursumcorda.salemsattic.com,2018:/isso/1316/45602016-09-30T09:03:39Zdstb<p>I had heard this recently, too. But, I think you are right that in the US, it may not work. Even pulling on to a congested highway, I have had people refuse to let me in. Are you kidding me?</p> <p>Sarah</p>