For general information see the SVN page on Codehaus.
Repository browsing
Check out Fisheye at http://fisheye.codehaus.org/viewrep/cargo/cargo/trunk. Alternatively you can check the ViewCVS installation at http://svn.cargo.codehaus.org but it's not as nice as Fisheye...
Anonymous SVN Access
Using the 'svn' protocol:
svn co svn://svn.codehaus.org/cargo/cargo/trunk
Using the 'http' protocol
http://svn.codehaus.org/cargo/cargo/trunk
Developer SVN Access
https://svn.codehaus.org/cargo/cargo/trunk