Motorways
Open the guide · Test yourself: Motorway signs: blue or green? · Motorway signs: which country? · Motorway signs: on the map
Motorway: blue signs
14 countries — Austria · Belgium · Czech Republic · Denmark · France · Germany · Ireland · Luxembourg · Netherlands · Poland · Portugal · Slovakia · Spain · United Kingdom
Motorway: green signs
18 countries — Albania · Bulgaria · Croatia · Czech Republic · Denmark · Finland · Greece · Hungary · Italy · North Macedonia · Romania · Russia · Serbia · Slovakia · Slovenia · Sweden · Switzerland · Turkey
Blue motorway, yellow roads
1 country — Germany
Blue motorway, green roads
5 countries — France · Ireland · Poland · Portugal · United Kingdom
Blue motorway, white roads
4 countries — France · Portugal · Spain · United Kingdom
Blue motorway, blue roads too
1 country — Netherlands
Green motorway, blue roads
17 countries — Albania · Bulgaria · Croatia · Czech Republic · Finland · Greece · Hungary · Italy · North Macedonia · Romania · Russia · Serbia · Slovakia · Slovenia · Sweden · Switzerland · Turkey
Sources and licences
After GeoHints — Direction signs, completed by plonkit.net.