Tag:electrified=contact_line

Specifies that a railway is electrified via wires (or rails, particularly in tunnels) situated overhead, above the tracks.

How to map

If a railway has overhead lines, add electrified=contact_line to the way tagged with railway=*.

specification of the type of the contact line

Key	Value	Description	Photos
electrified:contact_line	trolley-type	simple, so called trolley-type contact wire without a continuous catenary wire, just the contact wire
	catenary	overhead contact lines with catenary suspension, consisting of one (or two) supporting catenary wires located above the contact wire(s)
	rail	overhead conductor rail installation (soffit conductor rail or conductor rail with clipped-in contact wire)

details for catenary overhead contact lines

In the case of a catenary system, there are different types and characteristics of catenaries that can be mapped by the following tagging:

Key	Value	Description	Photos
catenary	simple	simple catenary system with messenger wire and contact wire connected with dropper wires
	stiched	catenary systems that consist in comparison to the "simple" system described above of additional Y-wires at catenary masts
	compound	catenary systems that consist in comparison to the "stitched" system described above of additional auxiliary messenger wire
catenary:muffled	yes	if the catenary has dampers

Also at catenaries there is usually one contact wire and one catenary wire in the catenary system. However, there are also designs in which there are two contact wires or two catenary wires. Please note that it is not intended to map catenary:contact_wire=single, catenary:auxiliary_wire=single or catenary:messenger_wire=single as the value single is assumed by default.

Key	Value	Description	Photo
catenary:contact_wire	double	added, if the catenary system has a doubled contact wire
catenary:auxiliary_wire	double	added, if the catenary system has a doubled auxiliary messenger wire	I've never heared about that, but we are prepared of that
catenary:messenger_wire	double	added, if the catenary system has a doubled messenger wire

Useful combinations

• electrified=contact_line
• cables=* - count of overhead wires, default value 1, but there exist a few railways with more
• frequency=* - frequency in Hz
• voltage=* - voltage in V

Example

• 
  cables=2

Photo	Tagging
	electrified=contact_line electrified:contact_line=catenary catenary=simple catenary:messenger_wire=double catenary:contact_wire=double voltage=1500 frequency=0
	electrified=contact_line electrified:contact_line=catenary catenary=simple catenary:messenger_wire=double catenary:contact_wire=single (optional) voltage=1500 frequency=0

See also

• trolley_wire=yes
• Proposal:Contact line