Motorway driving Rechts houden & uitvoegen
De regel · The rule
On the motorway keep right; overtake on the LEFT only. Signal before every lane change.
RVV 1990 art. 3, 11, 55

Why this rule exists
Keeping right keeps the left lanes free for overtaking: everyone flows.
Test yourself
Kees' three questions on this rule, the “Wist je dat?” facts and his tip come with the drive, in Voorrah! Pro.