Added proposed Wipkingertunnel
Minor Edit to Hönggerbergtunnel
Added proposed Hardstrassetram
Added proposed Schaffhauserstrassetram
Added proposed Äussere Tramtangente (Including Hönggerbergtunnel)
Added proposed Flurstrassetram
Added proposed Letzigrabentram
to deleted a wrongly proposed line
Added proposed Schleife Hermetschloo, Trambrücke Altstetten.
Added Affolterntram and Nordtangente (withouth the eastern bit with different variations still open)
Added Proposed Tram extension (as proposed in the cantonal Richtplanung)
added color to certain IR lines
added color to line HEX: 008b39
Survey tactile paving on steps
Specify whether steps have a ramp