An Optimal Tour of UK Pubs

For my friends who are still in the UK, here is the optimal tour (TSP-style) of UK pubs.

You're welcome.

Shortest-possible walking tour to 24,727 pubs. By far the largest road-dist traveling salesman problem ever solved. https://t.co/7KTWFBSdmD pic.twitter.com/7rNPch59wE

— Bill Cook (@wjcook) October 19, 2016

(Tip of the cap to Marc Abrahams for reminding me of this. Bill Cook showed a version of this plot in a London Mathematical Society meeting in 2015.)