springmeyer/tilemill-examples — pull request #6 by skorasaurus (2013-09-13 01:31:40+00:00)
Title: add railroad-classic example

I was wondering how to represent a railroad in the style that was used pretty often in the 20th century, for examples
The Flushing line shown in this picture...
![rr-example](http://25.media.tumblr.com/6448de9915d434c8e13fca99d301ad3f/tumblr_mpysqqeRPb1syx7edo1_1280.jpg)

After some searching, I couldn't find any examples of how to do it, so I figured it out myself and thought to share it.

Here's an example of it in use.

![hdm-example_rr](https://f.cloud.github.com/assets/955351/1133988/2a36fb60-1be8-11e3-8f49-5eafbe07bf18.png