RAMI feature types

Feature type mapping between the OS MasterMap Highways Network – RAMI product and the OS NGD RAMI Collection.

This page includes feature type mappings from the OS MasterMap (OSMM) Highways Network – Routing and Asset Management Information (RAMI) product to the corresponding feature types found within the OS National Geographic Database (OS NGD) RAMI Collection. Each feature type has a sub-page containing detailed attribution mapping from OSMM Highways Network to OS NGD.

The following feature types are covered:

• Hazard

• Highway Dedication

• Maintenance

• Reinstatement

• Restrictions

• Special Designation

• Structure

Hazard

The OSMM Highways Network Hazard Feature Type has a corresponding feature type in OS NGD called Routing Hazard, which is part of the RAMI Collection.

Detailed attribute comparison for Hazard.

Highway Dedication

The OSMM Highways Network Highway Dedication Feature Type has a corresponding feature type in OS NGD, also called Highway Dedication, which is part of the RAMI Collection.

Detailed attribute comparison for Highway Dedication.

Maintenance

The OSMM Highways Network Maintenance Feature Type is a combination of area, line and point features, as well as features with no geometry. In OS NGD, all features have geometry and have been split into three separate feature types depending on their geometry type:

• Maintenance Area

• Maintenance Line

• Maintenance Point

OSMM Highways Network features with no geometry have been assigned the geometry of the Street feature they reference.

Detailed attribute comparison for Maintenance.

Reinstatement

The OSMM Highways Network Reinstatement Feature Type is a combination of area, line and point features, as well as features with no geometry. In OS NGD, all features have geometry and have been split into three separate feature types depending on their geometry type:

• Reinstatement Area

• Reinstatement Line

• Reinstatement Point

OSOSMM Highways Network features with no geometry have been assigned the geometry of the Street feature they reference.

Detailed attribute comparison for Reinstatement.

Restrictions

Restrictions in OSMM Highways Network are made up of three feature types:

• Access Restriction

• Turn Restriction

• Restriction For Vehicles

In OS NGD, these have been combined into a single feature type, Restriction, which is part of the RAMI Collection. There is attribution to identify which type of restriction it is.

Detailed attribute comparison for Restrictions.

Special Designation

The OSMM Highways Network Special Designation Feature Type is a combination of area, line and point features, as well as features with no geometry. In OS NGD, all features have geometry and have been split into three separate feature types depending on their geometry type:

• Special Designation Area

• Special Designation Line

• Special Designation Point

OSMM Highways Network features with no geometry have been assigned the geometry of the Street feature they reference.

Detailed attribute comparison for Special Designation.

Structure

The OSMM Highways Network Structure Feature Type has a corresponding feature type in OS NGD called Routing Structure, which is part of the RAMI Collection.

Detailed attribute comparison for Structure.