Hi, I've drawn sprites so it is compatible with the UK-road set. I've used that GRF for personal use, but some people ask me to make it public. I guess the best place is to incorporate it in your GRF. So I hereby donate the sprites, hope you can use them!
Thanks for that, it could be usable, but only for me the whole pcx looks like it has corrupted palette. Some dark grey tones has been replaced with pink windows grf colors. I might be wrong, but this may lead same palette mismatch is output newgrf.
Apart from that, I might create an automated bridge surface creator, a script which creates an overlay on certain sprites, and add appropriate newgrf code for it. So when this piece of code is finished, adding one road surface would be a lot easier, just supply it with some road graphic. But this lead the result newgrf bigger, the the compatibility issues just became automated, the proper way be still an implementation to road graphic overlay, like tram "roadpieces".
you could also try / create 32bpp versions and both, 8bpp and 32bpp also in 2x and 4x zoom
At least 2x zoom sprites definitely make sense to me
Would be nice indeed, 2x zoom makes my work 4x harder, 4x zoom makes it 16x. My bridges have been drawn by hand, other's drawings aren't an exception, I think. More zoomlevels, needs 3D modelling, then rendering, otherwise it could be just ugly. An 2x zoomlevel roadset + bridges could be nice.
Instead of mossy-green, try a dark-grey concrete-ish material (betwwen black and grey, indexcolor 8 or so...)
This was my first try. A dark gray tone could be nice, instead of this mossy green, at the first look, I thought its a good idea:P