I'm sorry, I don't understand how you read my comment? Clearly the current convention is awful and the reverse would be better. But is that the best possible convention? I don't know, but not necessarily. Is it the least intrusive? I don't know. Would it line up with the convention used at crossings and dropped curbs? I'm don't know. Are ridges (rather than some pattern of dots, or some other pattern) the best pattern? I don't know.
If the reverse of the current situation is the only possible sensible configuration, then yes, there's no good option. But if some other configuration is better than either, and sufficiently different it's not confusing, then we could use that for new installations. Then there would be a long transition period, but at least once you were familiar with the types one particular piece of it would be unambiguous. You would avoid the problems of "sometimes it means this, sometimes it means the opposite" and "have to relay them simultaneously all over the country".
I'm not sure if you already knew no other configuration would work, or read my post as the opposite of what I was trying to say?
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Date: 2016-06-13 16:53 (UTC)If the reverse of the current situation is the only possible sensible configuration, then yes, there's no good option. But if some other configuration is better than either, and sufficiently different it's not confusing, then we could use that for new installations. Then there would be a long transition period, but at least once you were familiar with the types one particular piece of it would be unambiguous. You would avoid the problems of "sometimes it means this, sometimes it means the opposite" and "have to relay them simultaneously all over the country".
I'm not sure if you already knew no other configuration would work, or read my post as the opposite of what I was trying to say?