It does matter, approach all props with the same level of quality as you would a key item or character and you will go far. Overall it looks good. For one you don't see mayn town signs like this, so it's hard to find reference. I guess this would be one - http://taniml.files.wordpress.com/2011/07/one-way-street-sign.jpg…
Hi Timmy, Well - The material on signs is supposed to be highly reflective so that it can be seen with lights. You have hit the proper diffuse, but you could do some fun stuff with the specular to make it pop out more. I would try taking the specular map on the red octagon paint scheme to near-white. But yeah, since it's…