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

Agencies:Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV), Hamburger Verkehrsverbund (HVV)
Routes:732
Stops:24622
Trips:74378
Shapes:6334
Effective:February 07, 2019 to December 14, 2019

During the upcoming service dates Sun May 19 to Wed Jul 17:
Average trips per date:30354
Most trips on a date:36942, on 1 service date (Fri Jun 14)
Least trips on a date:16968, on 1 service date (Mon Jun 10)

Found these problems:
4940 warnings
3Different Station Too Closes
1Duplicate Trip
1855Stop Too Far From Parent Stations
1328Stops Too Closes
1734Too Fast Travels
2Too Many Consecutive Stop Times With Same Times
17Transfer Walking Speed Too Fasts


Warnings:

Different Station Too Close

Duplicate Trip

Stop Too Far From Parent Station

Stops Too Close

Too Fast Travel

Too Many Consecutive Stop Times With Same Time

Transfer Walking Speed Too Fast