A great example of a law enforcement officer performing his duty while performing for an audience, and thus showing that he truly is Providence's finest.
If he was not already retired when this video was made, as some conflicting sites suggest, then he should be recognized, not disciplined: maybe given his own reality show! He keeps such a straight face through all the antics.
The only problem here is one of liability: if any mishap occurs at the intersection, his antics will be blamed by the accident and personal injury attorneys involved, and, if it is later discovered that the government of Providence was aware of the situation but did nothing, then the whole city becomes party to the defendant.
It kinda sucks, but I guess if someone tries to be silly while on the job, and that job involves public safety, then it probably has to be restrained, even if said silliness actually causes no increase in danger.
Regardless: you go guy!