A code list or enumeration is a controlled set of values which can be used to populate a specific column.
The ‘reasonForChange’ attribute is used across all features found within the OS MasterMap Highways Network. The table below describes the codes which will be used to populate this field and the description for each code.
New
New feature has been added.
Modified Geometry
The geometry of the feature has been altered.
Modified Attributes
One or more attribute properties have been altered.
Modified Geometry and Attributes
Geometry and attribution properties have been altered.
End of Life
The feature has been removed from Ordnance Survey's master database. This value will only be used with Change Only Update orders.
The PathLink feature is attributed with a “formOfWay” property with the data type of FormOfWayValue. The following table describes the codes used to populate this field.
Track
An unmade way created by the passage of vehicles.
Canal Path
A path which runs alongside a canal.
Footbridge
A structure that is built over a river, railway, road or ravine to permit the flow of pedestrians of cyclists.
Path With Ford
A path where all or parts run through an area where a river or stream crosses.
Path
A made surface for use by pedestrians
Path With Steps
A made path that includes an area using a series of raised areas which links surfaces at different heights.
Subway
A structure that is built under a road to permit the flow of pedestrians or cyclists.
Path With Level Crossing
A made path that includes all or part where a railway line intersects with the path at the same level.
The PathLink feature is attributed with a “surfaceType” with a data type of “SurfaceTypeValue”. The table below describes the codes used to populate this field and the description for each code.
Made Sealed
A constructed surface, commonly mineral based, that consists of a solid material that is bonded (i.e. is not loose) such as asphalt or concrete.
Made Unknown
A constructed surface, commonly mineral based, that may be bonded or loose. This value is used where the revision method employed does not allow it to be differentiated into ‘Made Sealed’ or ‘Made Unsealed’.
Made Unsealed
A constructed surface, commonly mineral based, that consists of an unbonded surface (i.e. the material is loose) such as gravel (including self-binding gravel), cinder or hoggin. Also used to describe surfaces that are bonded but have been employed as a mesh/grid or similar form; to allow vegetation to grow and water to drain through the surface.
Unmade
A surface that has not been constructed but has evolved through use by pedestrians, cyclists, horses being ridden or motorised vehicles and where the use has removed or minimised the natural vegetation and fully or partly exposed the underlying mineral surface and/or mud.
The PathLink feature is attributed with a “matchStatus” with a data type of “MatchStatusValue”. The table below describes the codes used to populate this field and the description for each code.
Matched
The RoadLink has been matched with an Elementary Street Unit from the NSG.
No Match
The RoadLink has not been matched with an Elementary Street Unit from the NSG which has been accepted.
Not Matched Awaiting Review
The RoadLink has not been matched with an Elementary Street Unit from the NSG and is waiting to be manually reviewed to identify if there is an Elementary Street Unit it should have been matched too.
Matched With Attribute Discrepancy
The RoadLink has been matched with an Elementary Street Unit from the NSG and there is a discrepancy between the attribution supplied by the NSG and information from OS.
The PathLink and Street feature are attributed with a “provenance” property with the data type of ProvenanceSourceValue. The following table identifies the codes used to populate this field.
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.
The “CycleFacilityType” data type is attributed with a “cycleFacility” property with the data type of “CycleFacilityValue”. The following table describes the codes used to populate this field.
This value is provided from the National Street Gazetteer and Ordnance Survey data collection. Currently only “Unknown Type Of Cycle Route Along Footway” is available for population. The other values are for future use.
Marking Segregated Cycle Route Along Footway
A cycle way along a path shared with other users with segregation indicated by markings.
Physically Segregated Cycle Route Along Footway
A cycle way along a path shared with other users with segregation physically enforced by kerbs, posts, barriers or similar.
Shared Use Cycle Route Along Footway
A cycle way along a path shared with other users without any segregation.
Unknown Type Of Cycle Route Along Footway
A cycle way along a footway where the detailed nature is not known.
Signed Cycle Route
A route identified for cyclists along roads that is signed but does not have any significant infrastructure along the road such as road markings or kerbs.
For example, Sustrans routes along quiet roads.
The PathNode feature is attributed with a “formOfRoadNode” property with the data type of FormOfRoadNodeValue. The following table describes the codes used to populate this field.
The PathNode feature is attributed with a “classification” property with the data type of RoadNodeClassificationValue. The following table describes the codes used to populate this field.
Additional classification of the road node. For example, if a node represents a roundabout it may also be classified as a mini roundabout.
Grade Separation
A node which represents where there is a difference in physical level of either two PathLinks, or a PathLink and a RoadLink, and in the real world they do not meet and split here.
Street is attributed with an “operationalState” with a data type of “OperationalStateType”. This data type has the attribute of ‘state’ with a data type of “OperationalStateValue”. The table below describes the codes which will be used to populate this field and the description for each code.
Prospective
Plans have been submitted for development, but construction has not commenced.
Under Construction
Construction has commenced but the road cannot be used.
Open
Open
Temporarily Closed
The way has been temporarily closed for a specified reason under Road Traffic Regulation Act 1984 Section 14 1(b):
streetworks
likelihood of danger to public
Litter clearing or cleaning (duty imposed by section 89(1)(a) or (2) of the Environmental Protection Act 1990 (litter clearing and cleaning) to be discharged)
Note: The operationalState shall only be set to Temporarily Closed when the duration of the closure is intended to last more than 4 weeks.
Permanently Closed
A Street that has been permanently blocked up according to a Stopping Up Order
Constraint: If the Street operationalState = Permanently Closed then the endLifespanVersion shall be set.
Addressing Only
A street which has been created for addressing purposes of the Local Land and Property Gazetteer (LLPG).
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The FerryTerminal feature is attributed with a “type” property with the data type of ConnectionTypeValue. The following table describes the codes used to populate this field.
Types of connections between different networks.
intermodal
Connection between two network elements in different transport networks that use a different transport mode. The connection represents a possibility for the transported media (people, goods, etc.) to change from one transport mode to another.
The FerryNode feature is attributed with a “formOfWaterwayNode” property with the data type of FormOfWaterwayNode Value. The following table describes the codes used to populate this field.
Function of a Waterway Node in the water transport network.
http://inspire.ec.europa.eu/codelist/FormOfWaterwayNodeValue
water terminal
The location where goods are transhipped.
The HighwayDedication feature has the field ‘dedication’ which has the value populated from ‘DedicationValue’. The table below identifies the codes used to populate this field and a description for each code.
These codes conform to the legal categories of highway as defined in the Highway Act 1980 and Countryside and Rights of Way Act 2000, with the exception of “No Dedication Or Dedication Unknown”.
Dedications indicate the legal access status for a given feature only, no indication as to its physical accessibility is made in this attribute.
Byway Open To All Traffic
A Byway with rights for all vehicles.
Pedestrian Way Or Footpath
A Way for pedestrians only. Also known as a Pedestrian Way or Walkway. Excludes Footway.
Cycle Track or Cycle Way
Cycle Track: A highway for cyclists and pedestrians which is maintainable at public expense.
Cycle Way: Any Way designed for the use of cycles and from which other wheeled traffic is excluded.
All Vehicles
Highway open for all vehicles.
Restricted Byway
Highway with rights for pedestrians, horse riders,
cyclists and horse-drawn vehicles, but not for mechanically propelled vehicles.
Bridleway
A highway with rights of passage for pedestrians, cyclists and horse riders only.
Motorway
The commonest type of Special Road which is restricted to two classes of vehicles.
No Dedication Or Dedication Unknown
A Highway Dedication type that is currently unknown and is still under investigation, or
Has been proven to have no public rights of access.
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The SpecialDesignation feature has property field ‘designationType’ which has the type allocated from ‘SpecialDesignationTypeValue’. The table below identifies the codes used to populate this field and a description for each code.
‘SpecialDesignationTypeValue’ coverage varies between LHAs and the individual codes. While coverage for statutory designations is good overall, coverage for some may be sporadic and inconsistent.
Designation of highways that are subject to special controls when undertaking street or road works
The Maintenance feature type has the property ‘maintenanceResponsibility’ which has the type ‘MaintenanceValue’. The table below identifies the codes used to populate this field and a description for each code.
Maintainable At Public Expense
The highway is maintained at public expense by a responsible highways authority.
Prospectively Maintainable At Public Expense
An application has been submitted to maintain the highway at public expense.
Not maintained at public expense
The highway is not maintained at public expense.
Maintenance Responsibility Is To Another Highway Authority
A National Highway Authority or a Regional Highway Authority is responsible for maintaining the highway.
Street Outside Scope Of EToN
A Street which exists for National Land Property Gazetteer purposes only and is not identifiable as a street on the ground.