From: The structure and behaviour of hierarchical infrastructure networks
Sector | Number of network instances | Mean N | Mean E | Min N | Min E | Max N | Max E | Source |
---|---|---|---|---|---|---|---|---|
Air | 6 | 417 | 2202 | 48 | 135 | 889 | 573,7 | OpenFlights |
Communication | 1 | NA | NA | 38 | 58 | 38 | 58 | JANET |
Energy | 5 | 41,228 | 41,950 | 1486 | 1739 | 170,669 | 173,039 | National grid/ordnance Survey/ITRC |
Rail- regional | 14 | 187 | 203 | 45 | 46 | 467 | 519 | Ordnance survey/open street map |
Rail - national | 3 | 2799 | 2967 | 201 | 203 | 7995 | 8490 | Ordnance survey/open street map |
Rivers | 4 | 930 | 946 | 302 | 301 | 1905 | 1966 | Ordnance survey |
Road - regional | 7 | 4072 | 5827 | 42 | 51 | 15,249 | 21,817 | Ordnance survey/open street map |
Road - national | 2 | 14,258 | 28,152 | 4444 | 6011 | 24,071 | 50,292 | Ordnance survey/open street map |