Saudi Arabia plans to construct a new city, home to 9 million people. The most relevant aspect is its form, a line with a surprising length of 170 km. We analyse whether this is the best plan for a new city and some inconveniences of the prolonged urban form.

R. Prieto-Curiel, D. Kondor, Arguments for building The Circle and not The Line in Saudi Arabia, npj Urban Sustainability 3 (2023) 35.