What is up with UK bridge height signs?

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 - 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: http://standupmaths.com/