I have used clay for parts of roads and highways. It is important to keep it away from trains. Modeling clay in quite useful when one expects to stick poles in it etc.
Tom
Hello,
This is my first post, which could be about anything, I suppose. I have been working on my N-scale layout tonight with some modeling clay substitute from Michael's that is quite far from ideal. Where in the world can one get decent modeling clay in a big city like Houston. The stuff...