SARA RFI - Traffic Engineering Report

Outlined in Section 5, the access to the development will be achieved with the addition of a fourth leg to the
existing Grant Street / Banksia Avenue roundabout. The Sidra layout identified for this intersection is shown
in Figure 9-3. This layout is based on the concept intersection documented in TTM Drawing 22BRT0122-01,
Revision B, included in Appendix B.




Figure 9-3: Grant Street / Banksia Avenue SIDRA Layout

9.3.1       Analysis Results
The results of the SIDRA analysis for the 2034 Base + Development scenarios (both weekdays and weekends)
are summarised in Table 9-3. Detailed SIDRA output data is also included in Appendix E.

Table 9-3: Summary of Sidra Outputs (Grant Street / Banksia Avenue Roundabout)

 Scenario              DOS      Average Delay                LOS                  95th Percentile Critical Queue (m)

                                Overall    Worst             Overall   Worst      Banksia Ave    Grant          Banksia Ave   Site
                                           Movement                    Movement   (S)            Street (E)     (N)           Access
                                                                                                                              (W)
 Weekday - AM Peak Hour

 2024 Base +            6.8%     5.5 sec       9.1 sec            A         A        0.1m           2.8m               2.3m    1.6m
 Development                               (UT Banksia Ave
                                                 N)




Site: 3-7 Serenity Close, Noosa Heads – Proposed Resort Complex                                                                   33
Reference: 22BRT022 RP01_1