Add speed limit to some Nuremberg tram lines.

Update signals and train protection on Ringbahn.

Update signals for Gräfenbergbahn.

Set train protection for Tiergartenbahn.

Add LZB to more Nuremberg subway paths, where applicable.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Add LZB to more Nuremberg subway paths, where applicable.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg tramway tagging.

Improve Nuremberg train tagging.

Add LZB to more Nuremberg subway paths, where applicable.

Update Bü signals Rangaubahn.