Idris Fenn

Studio tutor for the mobility weeks — network design, headways, and the week where everybody meets induced demand.

A two-ink portrait in flat gold and black: a gold-toned angular bust with a broad jaw, closely cropped hair, heavy brows and a full beard, the collar of a pale shirt open at the throat, one side of the face in a deeper halftone shadow, against a black panel

Role: Studio tutor
Affiliation: Slop University School of Urban Design
Email: idris.fenn@slop.university
Contact: Drop-in hours in the studio Wednesdays and Fridays, 10:00–13:00. Bring the save file, not a screenshot of the save file.

Idris came out of transport modelling: six years at a consultancy building demand models for outer-suburban corridors, which they describe as “being paid to tell people their arterial widening would not work, and then watching it get built anyway.” They teach Weeks 2, 5 and 6 — the block pattern that sets the network’s shape, the transit spine, and the peak-load stress test, which is their design.

They are the tutor most likely to make you undo something. Their standing position is that the first network you draw is a diagram of your assumptions rather than a plan, and that the fastest way to find out which assumption is wrong is to run it at 8am and watch where it fails.

If you arrive at their desk crit with a one-way conversion as your fix, bring the before-and-after numbers. They will ask for them.