March 2026

This release note provides information about the March 2026 release of OS MasterMap Highways Network.

Source data currency

The following information relates to the currency of the source data used in the creation of this release of OS MasterMap Highways Network:

Data Source	Date
GeoPlace Streets Data	05 February 2026
Improvement Service Streets Data	05 February 2026
OS Road, Path, and Routing Content	05 February 2026

OS MasterMap Highways Network feature counts

Roads’ Feature	Count
AccessRestriction	36 751
FerryLink	103
FerryNode	132
FerryTerminal	132
Hazard	43 652
HighwayDedication	3 629 782
Maintenance	1 327 608
Reinstatement	1 533 662
RestrictionForVehicles	12 302
Road	858 599
RoadLink	8 570 177
RoadNode	7 595 721
RoadJunction	6 884
SpecialDesignation	818 228
Street	1 498 893
Structure	1 404 192
TurnRestriction	1 052 203

Paths’ Feature	Count
ConnectingLink	2 015 598
ConnectingNode	1 869 314
FerryLink	120
FerryNode	208
FerryTerminal	208
HighwayDedication	412 487
Maintenance	207 527
Path	25 446
PathLink	3 386 369
PathNode	3 994 608
Reinstatement	212 695
SpecialDesignation	13 312
Street	260 699

Data issues

Please see the OS MasterMap Highways Network Known Data Issues page for details of live and resolved data issues for the products.

Next release

The next release of OS MasterMap Highways Network is scheduled for April 2026.