Key:flow_direction
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 flow_direction
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| Description |
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Specifies the flow direction of a pipeline or waterway. 
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| Group: properties |
| Used on these elements |
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| Documented values: 1 |
| Requires |
Status: approved
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This key page is a stub. You can help OpenStreetMap by expanding it.
Similar pages for structural reference: Key:religion, Key:waterway.
Similar pages for structural reference: Key:religion, Key:waterway.
This key has been created to specify the flow direction of fluids within a pipeline but can also be used for waterways.
The flow direction in general can also be indicated by the direction of the way representing the pipeline or waterway, but in some cases the flow direction may change from time to time. Use flow_direction=both in such cases.
Values
forward: forward directionbackward: backward directionboth: both directions