N507, roadworks direction Heerhugowaard, between Obdam and Heerhugowaard

N507, roadworks direction Avenhorn, between Alkmaar/Langedijk and Heerhugowaard

N241, new roadworks layout in both directions, between Hoogwoud and Heerhugowaard/Nieuwe Niedorp

N241, new roadworks layout in both directions, between Heerhugowaard/Nieuwe Niedorp and Hoogwoud