To install the rail_maps package, you can choose to either install from source, or from the Ubuntu package:

Source

To install from source, execute the following:

•    1 cd /path/to/your/ros/stacks
     2 git clone https://github.com/WPI-RAIL/rail_maps.git -b fuerte-devel
     3 roscd rail_maps
     4 rosmake rail_maps
  

Ubuntu Package

To install the Ubuntu package, execute the following:

• sudo apt-get install ros-fuerte-rail-maps