These absolutely massive YBJs are a scam as we all know. How one can even see if there is space on the other side is beyond me ! However central government are completely supine on stuff like this, so it will continue until politicians get a lot of PCNs from them. The YBJ is flawed as it is supposed to be at the junction of 2 or more roads, but here the start is about 4 metres away from the actual junction. However, I don't think that is a winning argument frankly.
When traversing huge YBJs like this, and with no escape at the other side, it's always best to tootle slowly across, in the hope that the traffic will move on. You absolutely rushed across as if your life depended on it. Not good. Anyway, please post-up all of the PCN with only name and address redacted, and also give us a GSV link to the exa t location. What the motorist sees is not the same as their camera.