The answer is probably very obvious, but why is the reflective part of these well known posts red AND white and not just one colour? I have no clue, but i'm not a smart man.

by thedandytrucker

9 comments
  1. I think this indicaties a grand route, not sure

    EDIT: just checked and gr has horizontal lines

  2. Cause some people are colorblind and they can’t see red.

  3. You know when you never wondered something, until somebody asks, and you’ll wonder about it for the rest of your life?

  4. Increasing visibility/reflecting by day & night mostly.

    ‘Bermpalen’ as these are called.

    The white versions with bigger reflector used to be a reminder for direction of traffic but think they stopped using them in that capacity long ago

  5. ‘Hardhouten diamantkoppaal’. For sale on: http://www.verkeersbord.be.

    2 reflecting colours to identify the poles at night. It marks roadsides. Or they’re put at parkingplaces.

    They used to be white plastic poles but they are not much around anymore.

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