Data Sources
Authoritative data sources for TMP creation and traffic management planning.
Traffic Data
| Source | Data Type | Link |
|---|---|---|
| Waka Kotahi Traffic Counts | AADT, vehicle classification | Traffic Monitoring |
| RAMM | Road asset data, geometry | RAMM Network |
| Google Maps | Real-time traffic, street view | maps.google.com |
AADT acronym
Annual Average Daily Traffic — Standard measure of road usage.
RAMM acronym
Road Asset Maintenance Management — NZ road asset database system.
Crash Data
| Source | Description | Link |
|---|---|---|
| CAS | Crash Analysis System — official crash records | CAS Portal |
| Mega Maps | Spatial crash visualization | Mega Maps |
CAS acronym
Crash Analysis System — Waka Kotahi database of reported road crashes.
Road Network
| Source | Description | Link |
|---|---|---|
| LINZ Data Service | Basemaps, property boundaries | data.linz.govt.nz |
| NZTA Map | State highway network | NZTA Maps |
| Council GIS | Local road data | Varies by council |
LINZ acronym
Land Information New Zealand — National geospatial data agency.
Speed Limits
| Source | Description | Link |
|---|---|---|
| Speed Limit Register | Official speed limits by road | Speed Management |
| Mega Maps | Speed limit visualization | Mega Maps |
Weather
| Source | Use Case | Link |
|---|---|---|
| MetService | Forecasts, warnings | metservice.com |
| Harvest | Road weather stations | NZTA Road Weather |