GWguy
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The problem is we don't expect that here. "Me first" is the guiding principle of American drivers.
Not entirely. When I took Driver's Ed, the rule was 'if you have right of way, maintain speed and direction. The merging driver does not have right of way, and can be thrown off by you changing speed/direction in an attempt to be polite'.
When I merge, I do not expect anyone to accommodate me. If they slow down to be nice, it screws me up because I'm not expecting them to slow down, and have gauged my merge expecting them to maintain.