Key:electrified
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| Description |
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Indicates infrastructure to supply vehicles with electricity, on rail tracks or highways. 
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| Group: railways |
| Used on these elements |
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| Documented values: 3 |
| Useful combination |
| Status: de facto |
| Tools for this tag |
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The =* key is used to specify the form of electrification system used on railway, tram and trolley bus systems.
How to map
Add it on railway=* ways for electrified railways and on highway=* ways for trolley bus systems.
Values
Some electrification methods broadly in use are presented in the following table.
| Key | Value | Element | Comment | Photo |
|---|---|---|---|---|
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contact_line
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Used for tracks electrified with Overhead Contact Line (OCL) / Overhead Contact System (OCS) / Overhead Line Equipment (OLE) |
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rail
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Used for tracks electrified with a 3rd rail system, with one additional rail on insulators, using shoe pickup by the train, and traction return via the running rail(s) | .jpg)
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4th_rail
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Used for tracks electrified with a 4th rail system, with two additional rails on insulators and two shoe pickup by the train, and traction current returning via one of the insulated rails | 
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ground-level_power_supply
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Ground-level power supply, also known as surface current collection and Alimentation Par le Sol (APS) | 
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yes |
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This tag is to be used when the system of electrification is unknown. Mappers should use electrified=contact_line, rail, 4th_rail, or ground-level_power_supply where they are able to identify the system by use of aerial imagery or other means. | |
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no |
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Not electrified |
Additional tags
The following keys are related to the electrical system in use. Consider adding the following data if known.