10. APP E. Traffic Impact Assessment Report

                                                            Traffic Analysis and Reporting System                                                                        TARS
                                                    Report Notes for Annual Volume Report
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Annual Volume Report                                                         Region
Displays AADT history with hourly, daily and weekly                          For administration purposes the Department of Transport
patterns by Stream in addition to annual data for AADT                       and Main Roads has divided Queensland into 12 Regions.
figures with 1 year, 5 year and 10 year growth rates.
                                                                             Road Section
Annual Average Daily Traffic (AADT)                                          Is the Gazetted road from which the traffic data is collected. Each
Annual Average Daily Traffic (AADT) is the number of vehicles passing        Road Section is given a code, allocated sequentially in Gazettal
a point on a road in a 24 hour period, averaged over a calendar year.        Direction. Larger roads are broken down into sections and
                                                                             identified by an ID code with a suffix for easier data collection and
AADT History                                                                 reporting (eg. 10A, 10B, 10C). Road Sections are then broken
Displays the years when traffic data was collected at this count site.       into AADT Segments which are determined by traffic volume.

Avg Week Day                                                                 Site
Average daily traffic volume during the week days, Monday to Friday.         The physical location of a traffic counting device. Sites are
                                                                             located at a specified Through Distance along a Road Section.
Avg Weekend Day
Average daily traffic volume during the weekend.                             Stream or Site Stream
                                                                             The lane number in which the vehicles are travelling.
Calendar                                                                          TB                        Traffic flow in both directions
Days on which traffic data was collected are highlighted in green.                TG                        Traffic flow in gazettal direction
                                                                                  TA                        Traffic flow against gazettal direction
Gazettal Direction                                                                T1, T3, T5, T7...         Traffic flow in gazettal direction at lane level
                                                                                  T2, T4, T6, T8...         Traffic flow against gazettal direction at lane level
Is the direction of the traffic flow. It can be easily recognised by
referring to the name of the road eg. Road Section: 10A Brisbane -
Gympie denotes that the gazettal direction is from Brisbane to Gympie.       Thru Dist or TDist
                                                                             The distance from the beginning of the Road Section, in kilometres.

Growth Percentage                                                            Type
Represents the increase or decrease in AADT, using a                         There are two types of traffic counting sites, Permanent
exponential fit over the previous 1, 5 or 10 year period.                    and Coverage. Permanent means the traffic counting
                                                                             device is in place 24/7. Coverage means the traffic
Hour, Day & Week Averages                                                    counting device is in place for a specified period of time.
The amount of traffic on the road network varies depending on
the time of day, the day of the week and the week of the year.               Year
The ebb and flow of the volume of traffic travelling through a               Current year or years chosen. A separate
site over a period of time forms a pattern. The Hour, Day and                report will be produced for each year selected.
Week Averages are used in the calculation of AADT.
                                                                             Copyright
                                                                             Copyright The State of Queensland (Department of Transport and Main Roads) 2013

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                                                                             This work is licensed under a Creative Commons Attribution 3.0 Australia (CC BY-ND) Licence. To
                                                                             attribute this material, cite State of Queensland (Department of Transport and Main Roads) 2013