Version D of the Traffic Signal Controller specification forms are now available from https://t.co/8VisXMhFiW #jctsymposium directly from Twitter

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via Twitter https://twitter.com/AlistairGollop

September 20, 2017 at 04:28AM

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Version D of the Traffic Signal Controller specification forms are now available from https://t.co/8VisXMhFiW #jctsymposium directly from Twitter