Originally set up by the Rois de Majorque as a defence system to protect the Roussillon from invaders, the tours de signaux (signal towers) allowed information to be passed quickly around the region, using fire and smoke signals.

The introduction of the new “free-flow tolling system” on several French motorways has caused confusion for many drivers. Unlike traditional toll booths, there are no barriers. Cameras record vehicle number plates, and motorists then have…