Key:CEMT
 CEMT
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| Description |
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Classification of European Inland Waterways 
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| Group: restrictions |
| Used on these elements |
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| Requires |
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| Useful combination |
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| Status: de facto |
| Tools for this tag |
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CEMT is a classification for European inland waterways and extends waterway=* (axis of river, canal, fairway). CEMT=* is used on the European waterways that make up its water-based transportation network.
CEMT=* should only be used in correspondence with the official CEMT classification of the waterway. For waterways that lack a CEMT classification, see the other water-based transportation tags in the access tree.
Waterways
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List of all European inland waterways: WikiProject_Europe/E-waterway_network
Classification
| Seamark / iENC ... : category |
CEMT-Class/Value | max. Length | max. Width | max. Draught | Height | Remark |
|---|---|---|---|---|---|---|
| 1 | 0 | - | - | - | - | inofficial, used for recreational boating fairways |
| 2 | I | 38,50 | 5,05 | 1,8-2,2 | 4 | of regional importance |
| 3 | II | 50-55 | 6,6 | 2,5 | 4-5 | of regional importance |
| 4 | III | 67-80 | 8,2 | 2,5 | 4-5 | of regional importance |
| 5 | IV | 80-85 | 9,5 | 2,5 | 5,25-7 | of international importance |
| 6 | Va | 95-110 | 11,4 | 2,5-4,5 | 5,25-7 | of international importance |
| 7 | Vb | 172-185 | 11,4 | 2,5-4,5 | 5,25-9,1 | of international importance |
| 8 | VIa | 95-110 | 22,8 | 2,5-4,5 | 7-9,1 | of international importance |
| 9 | VIb | 185-195 | 22,8 | 2,5-4,5 | 7-9,1 | of international importance |
| 10 | VIc | 193-200 | 34,2 | 2,5-4,5 | 9,1 | of international importance |
| 11 | VII | 195/285 | 34,2 | 2,5-4,5 | 9,1 | of international importance |
The unofficial classificiation CEMT=0 is often used when source data (such as government provided data on waterways) marks this as a waterway suitable for general recreational use. CEMT=0 implies motorboat=yes and canoe=yes, but also tends to strongly imply ship=no.
The presence of CEMT=* with value of I or higher, implies that an inland waterway is 
navigable (within the size and draught constraints shown in the table above) for the purposes of water transport.
- Navigable waterways are rendered in dark green on the openriverboatmap map.
- Waterway Router: European Navigable Waterways
CEMT=* is not the only tag that can indicate navigability on waterways. Outside of Europe, ship=* may be used instead for shipping links. For waterways that lack a CEMT=* tag, boat=* and its descendants can be used to indicate navigability by smaller vessels.
Tools
- JOSM style european-waterways-classification-style
- CEMT Wikipedia article (in English)
Sources
- map-viewer (also ARCgis REST), pdf-maps, database UNECE.org
- map-viewer (also wms and wfs) vaarweginformatie.nl
- map-viewer (also wms and wfs), pdf-maps wsv.bund.de
- lists Landeswasserstraßen (CEMT=0)
- vnf.fr
- map-viewer visuris.be
- pdf-maps viadonau.org
- gov.pl
- pdf-text and maps gov.pl
- pdf-map mgm.gov.pl (high-resolution)
worth digging deeper
- https://vayla.fi/web/en/waterways
- https://kartta.paikkatietoikkuna.fi/?lang=en > Transport_Network
- http://voies-hydrauliques.wallonie.be/opencms/opencms/fr/vn/carte/cartet.html
- https://geoportal.cuzk.cz/geoprohlizec/
- https://mapy.geoportal.gov.pl/imap/Imgp_2.html?
See also
- Inland navigation
ship=*boat=*motorboat=*route=waterway- A signed navigable waterway (for motorboats and ships)route=motorboat- A recreational route specifically signed for motorboats (and not signed for other boats such as canoes)route=canoe- A signed route for canoes, kayaks, or other paddle craft.- Whitewater sports
- JOSM-style-snippet
- Seamarks/Categories_of_Objects#CEMT_Classes_.28catccl.29 might be used on waterway-axis or waterway-area
NSIW=*
References
- European Conference of Ministers of Transport (12 June 1992). Resolution No. 92/2 on New Classification of Inland Waterways.