Based on this post: http://smf.cataclysmdda.com/index.php?topic=11209.0
I put together a simple mod that allow build pavement and sidewalk. Just uncompress it and copy the folder to data/mods and it will available for new worlds.
here is the link https://www.mediafire.com/?364hdol3d26k845
Enjoy
Neat idea! Full on construction projects are now a little bit simpler.
