Appendix D - traffic impact assessment

                                                             Traffic Analysis and Reporting System                                                                         TARS
                                          Report Notes for Intersection Analysis Summary Report
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Intersection Analysis Summary Report                                           Region
Displays traffic and pedestrian flows in both diagram and                      For administration purposes the Department of Transport
tabular formats at an intersection on a particular day.                        and Main Roads has divided Queensland into 12 Regions.
   Content includes:
   - Actual day counts.                                                        Road Section
   - Traffic volume in, volume out and total volume for each leg.              Is the Gazetted road from which the traffic data is collected. Each
   - Pedestrian flows when available.                                          Road Section is given a code, allocated sequentially in Gazettal
                                                                               Direction. Larger roads are broken down into sections and
Please Note: This data is not averaged.                                        identified by an ID code with a suffix for easier data collection and
                                                                               reporting (eg. 10A, 10B, 10C). Road Sections are then broken
Important Information                                                          into AADT Segments which are determined by traffic volume.
It is important to note that data in this report are the actual traffic
counts for the associated time interval on the date indicated. This            Site
report does not display an Annual Average Daily Traffic (AADT).                The physical location of a traffic counting device. Sites are
                                                                               located at a specified Through Distance along a Road Section.
Annual Average Daily Traffic (AADT)
Annual Average Daily Traffic (AADT) is the number of vehicles passing          Site Description
a point on a road in a 24 hour period, averaged over a calendar year.          The description of the physical location of the traffic counting device.

Angle                                                                          TDist
Specifies in degrees how far off north the northern most leg points.           TDist or Through Distance is the physical location of the traffic count
                                                                               site measured in kilometres from the beginning of the Road Section.
Gazettal Direction
Is the direction of the traffic flow. It can be easily recognised by           Traffic Classes
referring to the name of the road eg. Road Section: 10A Brisbane -             Are the categories for which data can be captured at an intersection:
Gympie denotes that the gazettal direction is from Brisbane to Gympie.
                                                                                    Volume
                                                                                    00 All vehicles.
Intersection                                                                        2-Bin
The unique code and description of the Intersection.                                0A Light vehicles
                                                                                    0B Heavy vehicles
Leg                                                                                 4-Bin
The code that identifies each leg of the intersection.                              1A     Short vehicles
   Leg 1   North                                                                    1B     Truck or bus
   Leg 2   East                                                                     1C     Articulated vehicles
   Leg 3   South                                                                    1D     Road train
   Leg 4   West
                                                                               Vehicle Turning Movements
The Traffic Analysis and Reporting System (TARS) database has a                Turning movements describe the action of a vehicle at the intersection.
design limitation that restricts counts to 3way or 4way intersections.
                                                                                    L    Left hand turn
                                                                                    T    Through traffic
Pedestrians                                                                         R    Right hand turn
Pedestrian counts are collected where required                                      U    U-turn
and can be classed into Adult (A) and Children (C).

Percentage Heavy Vehicles
%HV are displayed for each turning movement when collected.




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                                                                               Copyright The State of Queensland (Department of Transport and Main Roads) 2013

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                                                                               attribute this material, cite State of Queensland (Department of Transport and Main Roads) 2013