Hi, I am trying to work out how I would get a fire engine and cars to drive around on the street in my layout. Something like an embedded rail underneath the road which goes around the street and is run by a small motor hiding under a building, that sort of thing. The electrics are easy, but I don't know how I would achieve the track system. Anyone know of any websites with suggestions or help on that? Anyone know of any kits that do that sort of stuff? I don't really want to hand engineer the whole thing!! Any help would be much appreciated, Thanks