From Standup Mathematician.

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

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

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

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

Thanks to Ayliean for tracking down the low bridge signs. Here is her channel: https://www.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: https://www.geogebra.org/m/sbbmbrz5

Traffic Signs Manual, Chapter 4, Warning Signs, Department for Transport https://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. https://www.patreon.com/standupmaths

CORRECTIONS
– Sort of. I showed a 13" 9′ 4.3m sign (the one in Shrewsbury) which isn’t technically possible, but yet it exists. I’ll pin a comment about it if you wish to discuss.
– Let me know if you spot anything else!

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: http://standupmaths.com/