This map has a discussion topic which can be visited here

This map is based loosely on the Rainbow 6: Black Thorne training map 'City Street Small'. I thought it would make a great CS map for clan play and small pubs. The map had to be changed some so it would be playable with Half-Life's old aged engine. Read the .txt for more info.

RB6 side by side conversion screenshots:
http://geocities.com/goforbrokehub/rushdown.htm