do reckon i have got a valid case or not? i am not sure just need advice

I had an accident with a lorry around crossroads. I was going straight and the lorry came and hit me from right hand side of the driver. There were giveaway say for me to stop but because the location of the sign was not clear I didn’t see the sign. There should have been a stop sign cause that would have given better message and it clear to see stop sign because it’s red in colour rather than giveaway. The hedges were so high that I couldn’t see the truck coming from right until it was too late. A week before my accident took place, there a similar case but the outcome was less critical. I have got broken collar bone, pain on my knees and minor scar on my nose. I am not sure who the case will be against but I blame the road signs and hedges. If you click on this article (http://www.nwemail.co.uk/news/viewarticle.aspx?id=812247) you will probably get more idea on what happened and if I got a valid case or not. I hope to hear from you soon. Thank you