(a) Diagram of planned completion of the A15 highway (Kanton Zürich, 2019) with the tunnels marked with a dashed blue line, the open street sections with a continuous blue line and position of the new bridge in Aathal marked with a grey circle (‘Anschluss’ means ‘junction’, and ‘Verzweigung’ means ‘branching’); (b) a render of the planned bridge in Aathal (Redaktion Züriost, 2020)