Free Traffic Legal Advice

Hi All
I wanted to ask some advice. I also got a PCN for going down this road which now doesn't seem to allow cars. This is a road that I always used as a shortcut to work and I wasn't aware that this new restriction had been put in place. At the time of driving down the road I was without an indicator and on the way to and from the garage by the Tulse Hill Tavern to get it fixed and was trying to keep to side roads for safety. I'm worried that I made 2 journeys up and down without realising (I have so far only received one ticket). There didn't seem to be any advance warning of this change of use and even if there were it would have been very hard to make a sudden reverse at this point in the road. I checked the GSV before travelling because I previously ended up paying over £700 in fines for the bus gate that was installed at the top of Gallery Road, but there were no signs in view as the map on street view was at a time before the change. Do I have any hope of getting out of this ticket? Has anyone had any luck?

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