D-TRO Data Model Documentation

Releases

This section provides details of releases that include changes to the data model.

27th November 2025

Release e22c38c8dcc0df8458dd5f0acb293a6e

On 27th November 2025, we released a hotfix to address the following issues with the v3.5.0 schema.

  • updated conditions.minItems from 2 to 1

18th November 2025

Release cb5ec0412d2a2b535469b0862a057712

On 18th November 2025, we released a minor bugfix to address the following issues with the v3.5.0 data model and schema.

  • removed conditions as a property of regulation, and from the regulation.oneOf constraint

--- a/schemas-3.5.0.json
+++ b/schemas-3.5.0.json
@@ -2121,13 +2121,6 @@
     "$ref": "#/$defs/condition"
   }
 },
-    "conditions": {
-        "type": "array",
-        "minItems": 1,
-        "items": {
-            "$ref": "#/$defs/condition"
-        }
-    },
   "generalRegulation": {
     "$ref": "#/$defs/generalRegulation"
   },

@@ -2184,11 +2177,6 @@
   "condition"
   ]
},
-    {
-        "required": [
-            "conditions"
-        ]
-    },
{
   "required": [
         "conditionSet"

  • updated conditions.minItems from 1 to 2

--- a/examples/Schemas/schemas-3.5.0.json
+++ b/examples/Schemas/schemas-3.5.0.json
@@ -427,7 +427,7 @@
   },
   "conditions": {
       "type": "array",
-      "minItems": 1,
+      "minItems": 2,
       "items": {
           "type": "object",
           "oneOf": [

  • added publicRightOfWayClosure to regulationType enum

--- a/schemas-3.5.0.json
+++ b/schemas-3.5.0.json
@@ -2274,7 +2262,8 @@
     "movementOrderProhibitedAccess",
     "nonOrderKerbsideBusStop",
     "nonOrderKerbsidePedestrianCrossing",
-    "nonOrderMovementBoxJunction"
+    "nonOrderMovementBoxJunction",
+    "publicRightOfWayClosure"
   ],
   "type": "string"
 },

  • changed spelling of cubicCentimeters to cubicCentimetres in unitOfMeasureEnum

--- a/schemas-3.5.0.json
+++ b/schemas-3.5.0.json
@@ -2593,7 +2582,7 @@
 "unitOfMeasureEnum": {
     "description": "Defines the unit used for the measure.",
     "enum": [
-        "cubicCentimeters",
+        "cubicCentimetres",
         "year",
         "gkm",
         "kWh",

  • added publicHolidayName object to specialDayType object

--- a/schemas-3.5.0.json
+++ b/schemas-3.5.0.json
@@ -2948,6 +2937,10 @@
     },
     "specialDayType": {
         "$ref": "#/$defs/specialDayType"
+    },
+    "publicHolidayName": {
+        "type": "string",
+        "minLength": 1
     }
   }
 },