GTFS validation results for feed:
/gtfs/DING.gtfs.zip
FeedValidator extension used: extensions.googletransit

Agencies:Rösch, Bottenschein Blaub., Walk, Merkle, SWU, RAB, Gairing NU, Stadtverk. Laupheim, Diesch GmbH, Stadtwerke Biberach, NeUBus, BBS Schapfl, Miller, Reinalter, NVBC, SWEG Südwestdeutsche Landesverkehrs-AG (Bus), Klemens Diesch, Gairing BC, Braunmiller, Oster, Weidachstein, Mann, SAB Schwäbische Alb-Bahn, Probst, Bayer_König, Klöpfer, Bayer, Baumeister-Knese, Bottenschein Lauph., Fromm
Routes:221
Stops:3731
Trips:13129
Shapes:3829
Effective:December 09, 2018 to December 14, 2019

During the upcoming service dates Fri Jul 19 to Mon Sep 16:
Average trips per date:4381
Most trips on a date:6267, on 2 service dates (Tue Jul 23, Fri Jul 26)
Least trips on a date:2116, on 9 service dates (Sun Jul 21, Sun Jul 28, Sun Aug 04, ...)

Found these problems:
10556 warnings
9Duplicate Trips
3192Invalid Values
375Stop Too Far From Shape With Dist Traveleds
333Stops Too Closes
4851Too Fast Travels
1796Too Many Consecutive Stop Times With Same Times


Warnings:

Duplicate Trip

Invalid Value

Stop Too Far From Shape With Dist Traveled

Stops Too Close

Too Fast Travel

Too Many Consecutive Stop Times With Same Time