GTAMP

You need to have a collision of 0.5 blocks, do you mean?

Yes. Just as the side of bus stop is 0,5 block length x 0 width, or 1 pixel (1/64 block) width max.
there is no alpha channel support.

Lol. So how i made those bus stops? There even can be completely transparent texture too, useful for ...

Yeah i thought about objects, but as you said u can jump over them and i don't want that. And they have width more than 0 so it would not look good.

Logofero, you misunderstood. I want them to be collidable, but only the non-transparent half of texture.

Hi
I've got a bus stop which is 0,5 texture wide (32px) and I would like sides of it to be collidable like in screen:

http://i63.tinypic.com/141jl06.png

I saw similar bus stops in multislayer, and there sides are non collidable, so i assumed it's impossble, but GTA2 got lots of surprises, so ...