It's the inviso_rail by ccordes, in 2006 cmp there's only the original version.
67598:38001.
In 2010 CM the original + the :1 version are obsoleted by version :4.
inviso rail,<kuid2:67598:38001:4> is for Trainz-build 2.5 and above. It's built-in in TS2009 and TS2010. The :4 version obsoletes the :1 that is on the DLS.
Download it using 2006. Make a cdp and transfer it. Then in CM view asset versions, view in main list, select all and drag them into the download side.