Final Engineering services report _62 Lake Macdonald Drive · OPW25/0057

3.3      ROAD HIERARCHY AND PATHWAYS

All roads, pathways and frontage work within the subject site are to be designed and constructed in accordance with
the relevant provisions of Noosa Council Planning Scheme Policy SC6.7 - Engineering Design Standards, and in
accordance with any specific requirements through an application process.

There has been no Traffic Impact Assessment completed to date - road hierarchy and potential requirements have
been determined based on the Noosa Planning Scheme requirements and intersection form provided by Noosa
Council.

3.4      EXTERNAL ACCESS AND AGRESS POINTS

The proposed development is accessed via a new road connection from Dianella Court. To service the development,
an upgrade to the intersection of Dianella Court and Lake Macdonald Drive would be required.

The proposed and existing roads are classified as follows in the Noosa Plan:

•     Lake Macdonald Drive                     Urban Residential Collector (current)
•     New Internal Road (Road 1)               Local “Lane”

Lake Macdonald Drive at the Dianella Court intersection is currently a two-lane road with approximately 3.0 m wide
through lanes. The shoulder width at the intersection is approximately 2.0 m wide and tapers to back to zero width.
There is no right turning lane provision for Dianella Court or the opposing Wilgee Court.

Refer to Figure 2 for the existing intersection arrangement.




Figure 2: Lake Macdonald Drive / Dianella Court Intersection
(Image courtesy of Nearmap.com)

The proposed upgraded intersection will include a right turn lane on Lake Macdonald Drive into Dianella Court and
form an Urban CHR(S) intersection in accordance with Austroads Guide to Road Design Part 4A, refer to Figure 3.

The proposed intersection will require widening on the development side of Lake Macdonald Drive to accommodate
the added right turn lane and extension of the 2.0 m wide shoulder. The proposed design includes a raised planted


62 Lake Macdonald Drive, Cooroy – Engineering Services Report                                              Page 4
233467 | M24-1037Rpt – Issue A – April 2025