Highways England
The source for the geometry of the feature is Highways England.
Local Highway Authority
The source for the geometry of the feature is Local Highways Authority.
Ordnance Survey
The source for the geometry of the feature is Ordnance Survey.
Transport Scotland
The source for the geometry of the feature is Transport Scotland.
Welsh Government
The source for the geometry of the feature is Welsh Government.
OS Urban And OS Height
Data captured to 0.5m planimetric accuracy and elevation obtained from drape of OS detailed height content.
OS Rural And OS Height
Data captured to 1.1m planimetric accuracy and elevation obtained from drape of OS detailed height content.
OS Moorland And OS Height
Data captured to 4.1m planimetric accuracy and elevation obtained from drape of OS detailed height content.
OS Urban And Interpolated OS Height
Data captured to 0.5m planimetric accuracy and elevation interpolated from OS detailed height content and other OS data.
OS Rural And Interpolated OS Height
Data captured to 1.1m planimetric accuracy and elevation interpolated from OS detailed height content and other OS data.
OS Moorland And Interpolated OS Height
Data captured to 4.1m planimetric accuracy and elevation interpolated from OS detailed height content and other OS data.
OS Urban And Low Confidence OS Height
Data captured to 0.5m planimetric accuracy, elevation obtained from drape of OS detailed height content but expected to be low quality.
OS Rural And Low Confidence OS Height
Data captured to 1.1m planimetric accuracy, elevation obtained from drape of OS detailed height content but expected to be low quality.
OS Moorland And Low Confidence OS Height
Data captured to 4.1m planimetric accuracy, elevation obtained from drape of OS detailed height content but expected to be low quality.