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What does YY stand for?

YY stands for Double Yellow (railway signalling)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Organizations, NGOs, schools, universities, etc.

See other definitions of YY

Samples in periodicals archive:

EC, Lanark RE: Police parking on double yellow lines to get coffee, they should either have it on their official break or take a flask.
What is needed is a regular traffic warden to book inconsiderate motorists who insist on parking on the double yellow lines outside Greggs' bakery shop, those who park on the bus stops and the continuous parking in Emmerson Street -again on double yellow lines.