Pass for reduced train fares (8)
I believe the answer is:
railcard
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">pass for reduced train fares</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for railcard that I've seen before include "Pass for reduced train fares" , "Warrant for cheaper travel" .)