== UIC Norm 920-1 ==
{| class="wikitable"
|-
! UIC Kode
! Nationalitet
! Infrastrukturforvalter
! Operatører, passagerer
! Operatører, gods
! Sporvidde
! Kørestrøm
|-
| 10
| [[Finland]]
| RHK
| VR
|
| 1524mm
|
|-
| 20
| [[Rusland]]
| RDZ
|
|
| 1524mm
|
|-
| 21
| [[Hviderusland]]
| BC
|
|
| 1524mm
|
|-
| 22
| [[Ukraine]]
|
|
|
| 1524mm
|
|-
| 23
| [[Moldova]]
| CFM
|
|
| 1524mm
|
|-
| 24
| [[Litauen]]
| LG
| LG
|
| 1524mm
|
|-
| 25
| [[Letland]]
| LDZ
|
|
| 1524mm
|
|-
| 26
| [[Estland]]
| EVR
|
|
| 1524mm
|
|-
| 27
| [[Kasakhstan]]
| KTZ
|
|
| 1524mm
|
|-
| 28
| [[Georgien]]
| GR
|
|
| 1524mm
|
|-
| 29
| [[Usbekistan]]
| UTI
|
|
| 1524mm
|
|-
| 41
| [[Albanien]]
|
|
|
| 1435mm
|
|-
| 49
| [[Bosnien-Hercegovina]]
| ŽRS
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 51
| [[Polen]]
| PKP
| PKP
|
| 1435mm
| 3 kV DC
|-
| 52
| [[Bulgarien]]
| BDŽ
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 53
| [[Rumænien]]
| CFR
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 54
| [[Tjekkiet]]
| ČD
| ČD
|
| 1435mm
| 3 kV DC, 25 kV 50 Hz
|-
| 55
| [[Ungarn]]
| MAV
| MAV
|
| 1435mm
| 25 kV 50 Hz
|-
| 56
| [[Slovakiet]]
| ŽSR
|
|
| 1435mm
| 3 kV DC, 25 kV 50 Hz
|-
| 57
| [[Aserbajdsjan]]
| AZ
|
|
| 1524mm
|
|-
| 58
| [[Armenien]]
| ARM
|
|
| 1524mm
|
|-
| 59
| [[Kirgisistan]]
| KRG
|
|
| 1524mm
|
|-
| 60
| [[Irland]]
| IE
|
|
| 1600mm
|
|-
| 62
| [[Montenegro]]
| ŽCG
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 65
| [[Nordmakedonien]]
| MŽ
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 66
| [[Tadsjikistan]]
| TDZ
|
|
| 1524mm
|
|-
| 67
| [[Turkmenistan]]
| TRK
|
|
| 1524mm
|
|-
| 70
| [[Storbritannien]]
| Network Rail
| UK Railways, ScotRail, NIR
|
| 1435mm
| 25 kV 50 Hz
|-
| 71
| [[Spanien]]
| GIF
| FEVE (Ferrocarriles de Via Estrecha), RENFE
|
| 1668mm
| 3 kV DC, 25 kV 50 Hz
|-
| 72
| [[Serbien]]
| ŽS
| SV
|
| 1435mm
| 25 kV 50 Hz
|-
| 73
| [[Grækenland]]
| OSE
| OSE
|
| 1435mm
| 25 kV 50 Hz
|-
| 74
| [[Sverige]]
| [[Banverket]]
| [[SJ]]
| [[Green Cargo]]
| 1435mm
| 15 kV 16-2/3 Hz
|-
| 75
| [[Tyrkiet]]
| TCDD
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 76
| [[Norge]]
| [[Jernbaneverket]]
| [[NSB]]
| 
| 1435mm
| 15 kV 16-2/3 Hz
|-
| 78
| [[Kroatien]]
| HŽ
|
|
| 1435mm
| 25 kV 50 Hz
|-
| 78
| [[Slovenien]]
| SŽ
|
|
| 1435mm
| 3 kV DC
|-
| 80
| [[Tyskland]]
| DB Netz
| [[Deutsche Bahn|DB]]
| Railion Deutschland AG
| 1435mm
| 15 kV 16-2/3 Hz
|-
| 81
| [[Østrig]]
| ÖBB
| ÖBB
|
| 1435mm
| 15 kV 16-2/3 Hz
|-
| 82
| [[Luxemburg]]
|
| CFL
|
| 1435mm
| 25 kV 50 Hz
|-
| 83
| [[Italien]]
| RFI
| FS
| Railion Italia
| 1435mm
| 3 kV DC, 25 kV 50 Hz
|-
| 84
| [[Holland]]
| ProRail
| NS
| Ralion Nederland
| 1435mm
| 1,5 kV DC
|-
| 85
| [[Schweiz]]
| SBB
| [[SBB-CFF-FFS]]
| BLS
| 1435mm
| 15 kV 16-2/3 Hz
|-
| 86
| [[Danmark]]
| [[Banedanmark]]
| [[DSB]], [[Arriva]], [[DSBFirst]] 
| CFL Cargo Danmark A/S, Hectorail AB, DB-Schenker Rail Scandinavia
| 1435mm
| 25 kV 50 Hz
|-
| 87
| [[Frankrig]]
| Réseau Ferré de France
| SNCF
|
| 1435 mm
| 1,5 kV DC, 25 kV 50 Hz
|-
| 88
| [[Belgien]]
|
| SNCB
|
| 1435mm
| 3 kV DC
|-
| 90
| [[Egypten]]
|
| ER
|
| 1435mm
|
|-
| 91
| [[Tunesien]]
|
| SNCFT
|
| 1435mm
|
|-
| 92
| [[Algeriet]]
|
| SNTF
|
| 1435mm
|
|-
| 93
| [[Marokko]]
|
| ONCF
|
| 1435mm
| 3 kV DC
|-
| 94
| [[Portugal]]
|
| CP
|
| 1668mm
| 25 kV 50 Hz
|-
| 95
| [[Israel]]
|
| IR
|
| 1435mm
| 25 kV 50 Hz
|-
| 96
| [[Iran]]
|
| RAI
|
| 1435mm
| 25 kV 50 Hz
|-
| 97
| [[Syrien]]
|
| CFS
|
| 1435mm
|
|-
| 98
| [[Libanon]]
|
| CEL
|
| 1435mm
|
|-
| 99
| [[Irak]]
|
| IRR
|
| 1435mm
|
|}
Organisationer