C22a traffic signs (low-emission zone) per municipality: most Amsterdam (91 signs), then Rotterdam and Arnhem

C22a traffic signs (low-emission zone) per municipality, October 2026, in signs. Total: 615; the largest 12 of 64 categories are shown. Amsterdam is 15% of the total. All signs with RVV code C22a in the current state (status placed). This counts signs, not zones: a zone has a sign at every entrance. Municipality names as NDW gives them ('s-Gravenhage = The Hague).

Source: NDW, verkeersborden-API v4 (actueel beeld) · opgehaald 25 oktober 2026Open the table Single block

These figures come from

Traffic signs and accessibility map (NDW)

Nationaal Dataportaal Wegverkeer

The National Road Traffic Data Portal keeps a national file of traffic signs: per sign the RVV code (A1 for a speed limit, C22a for a low-emission zone …), additional panels, side of the road, the NWB road section, municipality, traffic order and since when the sign has been seen. Amsterdam alone had 97,175 signs on 16 October 2026. The traffic sign API v4 returns the current state (updated daily) and all changes; the whole file can also be downloaded. Plus an accessibility map that computes per municipality which roads are open to a vehicle of given dimensions, still in beta.

This block is an example of what you can show with this source. Open the source itself to look further, pick other figures or use the data in your own work.

Open the table at NDW The API call behind this block All about this source

Access: Open
Licence: CC0 volgens de copyrightpagina van NDW ("tenzij anders vermeld"); de API noemt zelf geen licentie
Table: traffic-signs v4 current-state, rvvCode C22a
Latest figure: oktober 2026
Fetched: 25 October 2026

Fetch exactly these figures yourself

curl "https://wegkenmerken.ndw.nu/api/rest/static-road-data/traffic-signs/v4/current-state?rvvCode=C22a"

C22a traffic signs (low-emission zone) per municipality: most Amsterdam (91 signs), then Rotterdam and Arnhem

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