Transport minister Norman Baker has announced that a main London commuter route will be chosen to trial part-time season tickets.
Speaking at the LibDem conference in Glasgow, he said it was unfair that those who work five days a week should benefit from cheaper travel than part-time workers.
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The 52-year-old had previous convictions for violence but was not on the anti-terror watchlist.
In a statement Charlton Athletic said: Keith was a true hero who will be greatly missed by all the Charlton family and everyone at the club.
London and the worlds has united on Twitter in defiance of the West minster attack #prayforlondon #wearenotafraid