| Full Name |
Acronym |
Description |
| Australian Bureau of Statistics |
ABS |
Australia's central statistical collection agency for demographic
and economic data |
| Blue Mountains Region |
|
Blue Mountains Statistical Local Area |
| Central Coast Region |
|
Gosford and Wyong Statistical Local Areas |
| CityRail operating area |
|
Extends from Port Stephens to Nowra and west to Bathurst and Goulburn |
| Collection District |
CD |
Smallest geographical unit released by the ABS |
| Estimated Resident Population |
ERP |
Annual estimates of population released by the ABS. Based on the
latest Census population counts, adjusted annually for births, deaths,
migration and Census underenumeration |
| Geographic Information System |
GIS |
Digital mapping and database system |
| Greater Metropolitan Area |
GMA |
The conurbation of greater metropolitan Sydney including the Blue
Mountains, Central Coast, Newcastle and Wollongong |
| Home Interview Survey |
HIS |
Survey of personal travel carried out in 1981 and 1991/92 |
| Household Travel Survey |
HTS |
Continuous survey of personal travel in Sydney, conducted annually
from June 1997 |
| Home based Work |
HBW |
Journeys from home to work and work to home combined, including
those with a stop on the way |
| Home to Work |
HTW |
The home to work trip end only |
| Journey to Work |
JTW |
Data set based on ABS Census information on employed persons,
incl. work location, industry, how they travel to work |
| Local Government Area |
LGA |
Small geographic area defined by local government boundaries.
Generally comprise a number of different suburbs or postcodes. Usually
equivalent to SLA or made up of 2 or 3 SLAs |
| Newcastle Region |
|
Newcastle Statistical Sub-Division |
| Origin/Destination |
O/D |
Matrices with counts of trips between origin and destination pairs,
usually at the Travel Zone level |
| Priority Mode |
|
Where more than one mode is used for the trip but output is requested
for separate modes, the trip is allocated to the mode with the highest
priority. Note that the priority order is slightly different for
HTS and JTW |
| Statistical Division |
SD |
Large groupings of SSDs and SLAs (GMA map - JPG
image file) |
| Statistical Sub-Division |
SSD |
Part of a Statistical Division, usually comprising a number of
SLAs (e.g. Newcastle SSD) |
| Statistical Local Area |
SLA |
Small geographic area, usually equivalent to a Local Government
Area. Generally comprise a number of suburbs or postcodes |
| Study Area |
|
The TDC Study Area presently covers the GMA. Prior to 1996 only
part of the Illawarra was included |
| Sydney Landuse Model |
SLM |
Official NSW Government small area land use forecasting model |
| Strategic Travel Model |
STM |
TDC model used to forecast travel demand under different scenarios
and plan transport infrastructure |
| Transport Data Centre |
TDC |
The premier source of transport data for NSW, residing within
the Ministry of Transport |
| Wollongong Region |
|
Illawarra Statistical Division |
| Travel Zone |
TZ |
Small geographic area used as the basis for TDC modelling and
data analysis |
