In days of yore, Michelin used to publish their moto guide in English as well as French. No longer, but you can get the French version on Amazon for under £7 https://www.amazon.co.uk/La-France-%C3%A0-Moto/dp/2067260383 Use a phone and camera view in the Google Translate app if you need more than the pretty pictures.
"The “La France à moto” map with its 1/1 000 000 scale (1cm = 10km) brings you an overview of 83 trips selected and described according to their tourist attraction, the pleasure of driving and the comfort alone or for two !"