Deputy Lewis has no more right or power to direct the operational strategy of the honorary police than you or I. You cannot blame him for their failure. I suggest you take that up with the Chef de Police or the Connetable - who is ultimately responsible. Now that Hanning is departing you may actually get a positive response from the new Connetable. To be honest, any response would be an improvement!
That does not mean that we, the public, do not share your concerns over the traffic, who knows, Deputy Lewis may have already raised his concerns.
You critisism that he campaigned for and achieved getting a bus stop there, but that there is an absence of effective traffic policing in the area is a non-sequitur.