Transport Department - Intelligent Road Network Package

Intelligent Road Network Package (IRNP)

Introduction
Data Format
Enquiry

Introduction

Intelligent Road Network Packages (IRNP) provide three IRNP datasets (in Geographic Information System (GIS) format) opened up at DATA.GOV.HK for development of intelligent transport system, fleet management system, car navigation system and etc. by the public. These datasets are "Road Network", "Traffic Aids Drawings" and "Traffic Flow Census".

"Road Network" - a road network which includes traffic directions, turning restrictions at road junctions, stopping restrictions and other road traffic data;
"Traffic Aids Drawings" - traffic signs and traffic signals of the digitized Traffic Aids Drawings. It also contains road markings and other traffic aids data as backdrop; and
"Traffic Flow Census" - traffic flow data of Annual Traffic Census.

Data Ownership
The Government of the Hong Kong Special Administrative Region remains the owner of the IRNP at all times.

Data Format

Data	Format	Details of Format	Updating Frequency
Road Network	FGDB	File Geodatabase	Monthly
	KML	Keyhole Markup Language
	GML	Geography Markup Language
Traffic Aids Drawings	FGDB	File Geodatabase	Monthly
	KML	Keyhole Markup Language
	GML	Geography Markup Language
Traffic Flow Census	Geodatabase	Spatial Data in ESRI Geodatabase and Textual Data in Microsoft Excel and Microsoft Access	Yearly
Traffic Flow Census	GML	Spatial Data in Geography Markup Language and Textual Data in Microsoft Excel and Microsoft Access	Yearly

Enquiry

You are welcome to send us enquiries, contributions and suggestions by e-mail to tdenq@td.gov.hk, by phone at 2804 2600, by fax at 2760 1823 or by post to PO Box 1823, Tsuen Wan Post Office. However, given that ordinary e-mail messages are not secure, please do not use e-mail to send us information suspected breaches of the Personal Data (Privacy) Ordinance.