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I will post some fantasy maps from Karlsruhe.
With an underground tram tunnel being constructed below the central pedestrian zone, there have been many ideas and fantasy maps on how to reorganize the tram network over the last years.
Starting off the with original map that has been used until the construction works started 2010.
It offered a direct connection into the city from pretty much every branch, especially note lines 3 and 4 which formed a loop through the southern city.
It had its problems though. several stops had 42 to 46 trams/hour. The central junction at the market square, entirely in a pedestrian zone, saw around 108 trams/hour in all directions. All the trams were blocking themselves at the stops, schedules were unreliable as fuck.
Some of these were tram-trains, 75 m long and highfloor and having to walk around these in a pedestrian zone while they wait for the stop to clear is certainly an annoyance.