05-29-2015, 06:59 PM
(05-29-2015, 12:46 PM)isUsername Wrote: How do they pave over the ballast? Is there a special process/material or is it just like paving over dirt?
Here's a photo I took a few minutes ago:
It looks like they just lay some dirt/soil over top of the ballast, and then put down the pavement on top of that.