Add missing g3 tramway sign.

Add more tram features.

More tram crossing retagging.

Minor tramway fixes.

Set maxspeed for some more Nuremberg tram lines.

Remove signal box duplicate.

Updates for Aurachtalbahn.

Various railway improvements in Frauenaurach station.

Retag railway=crossing to railway=tram_level_crossing.

Fix more tram crossings marked incorrectly as normal railway crossings for Nuremberg tram.

Set maxspeed for some Nuremberg tram lines.

Add more F signals to Nuremberg tramway.

Railway improvements around Nuremberg Landgrabenstraße.

Set 80km/h as speed limit for most of the Nuremberg subway. The signs at the exit of each station are just a speed limit suggestion.

First try at tagging the U-Bahn Nuremberg (block) signals.

Fixes for some mistakes I made and more retagging of railway=crossing -> railway=tram_crossing

Improve information on Hersbruck rechts signal box.

Add Hartmannshof signal box.

Multiple additions to Nuremberg Ost station.

Add missing exit signal in Mögeldorf station.