Rijtheorie HubPractise the CBR theory in 12 languagesFree on the App Store
OpenPractise the CBR theory in 12 languages
Free on the App Store
Environmental zone: closed for vehicles that do not meet the environmental requirements of the zone.
NL: Milieuzone: gesloten voor dieselvoertuigen die niet voldoen aan de milieueisen van de zone (onderbord met emissieklasse, art. 86d). Vanaf 1-1-2025 gelden voor personenauto's alleen nog de onderborden C22a2 en C22a3.
Category: Zone signs and other rules · Official code under annex 1 of the RVV 1990
The green word 'milieuzone' in a red ring: only clean-air vehicles may enter, dirty exhausts stay out.
Rijtheorie Hub practises exactly like the CBR exam: 50 questions, 30 minutes, pass with 44. Free to try, in 12 languages.
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C22b
C22c
C22d
C22c1
K14