This probably isn't going to get everyone too excited, but Coaster Express at Parque Warner Madrid is closed until the summer for track work (stated on RCDB and the park's website). I visited for the first time over the weekend so I was sad to be spited but it does sound like a terrible coaster by all accounts. Maybe this track work will address some of the notorious roughness, but from the POV it does seem to be a terrible layout with no steep drops and zero airtime. Plus it ranked an impressive #174 out of 175 in the 2013 Mitch Hawker poll. Anyway, the work is evidently underway and the track is missing in places, here are some low quality snaps.