Grimsby Town platform 3 used to be a through road, but now is a bay from the west side of the station. Bufferstop at the east end and no track now connects to the line to Cleethorpes (or towards Louth as it used to be). Barton on Humber's platform is in the style of a through platform, even though the line never went any further, although I believe it was orignally planned to continue, but to where, I'm not sure.
Hadfield (near Manchester) used to be a through line also, part of the Woodhead route through to Sheffield Victoria, but is now the end of a branch line.