Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Support the show filming, pre-order the download and get silly perks: kickstarter.com/projects/standupmaths/getting-triggy-with-it

Or you can just come and see me on tour in October: standupmaths.com/shows

Adam's bridge height website with a complete list of signs that have been found: adamtownsend.com/heighthunt
More about Adam Townsend: adamtownsend.com

Yes, he did the maths for the coin combinations video: youtube.com/watch?v=QafT9FgO7rw

Thanks to Ayliean for tracking down the low bridge signs. Here is her channel: youtube.com/@UChwcAFGJZVE2hqAiZSFSyug

As well as Ayliean MacDonald, thanks to Sophie Maclean, Abby Shum and Matt Watson for embracing the bridge-sign side mission while we were on tour.

Much appreciation to Sam Hartburn for making the geogebra file. You can check it out here: geogebra.org/m/sbbmbrz5

Traffic Signs Manual, Chapter 4, Warning Signs, Department for Transport assets.publishing.service.gov.uk/media/5c41d683ed915d38b0437c2d/traffic-signs-manual-chapter-4.pdf

Huge thanks to my Patreon supporters. They keep me well above my safety-rated height. patreon.com/standupmaths

CORRECTIONS
- None yet. Let me know if you spot anything!

Location Matt filming by Ayliean MacDonald, Sophie Maclean and Matt Parker
Main filming and editing by Alex Genn-Bash
Written and performed by Matt Parker
With additional maths by Adam Townsend
Produced by Nicole Jacobus
Music by Howard Carter
Design by Simon Wright and Adam Robinson

MATT PARKER: Stand-up Mathematician
Website: standupmaths.com