Mod to modify the highway tiles to build roads of 22.5 °, put in the z folder and proceed as usual.
Falaise

– File Version: 1.0
– Forum : What I hate in mission combat! (22.5 ° angle road) – CM Normandy Maps and Mods – Battlefront.com Community

https://drive.google.com/open?id=1t-ZlsUKUOJvSMbt-UvTUiaoERz9l8u46