Traffic Planning for Lunn Avenue: Road Widening and Access Upgrade Case Study

Traffic Planning Consultants (TPC) provided lead traffic engineering and transport planning services for a series of commercial developments along Lunn Avenue in Mt Wellington. The works included road widening and the creation of a new signalised intersection to accommodate increased vehicle, pedestrian, and cyclist demand generated by the proposed developments.

Summary

Project Overview

Client: Private commercial developers
Location: Lunn Avenue, Mt Wellington, Auckland
Scope: Road widening, intersection design, and access planning for commercial redevelopment
Challenges: Managing increased multi-modal demand, optimising intersection performance, and delivering compliant access solutions

Our Approach

Modelling, Connectivity, and Access Design
TPC undertook detailed traffic modelling and intersection capacity assessments to inform design solutions for the widened corridor. We developed access and circulation configurations for each development, ensuring pedestrian connectivity and cyclist safety were maintained throughout.

Intersection and Road Widening Design
Our team provided both preliminary and detailed geometric and traffic signal design for the new intersection and coordinated the design of the Lunn Avenue widening. The upgraded infrastructure enabled efficient access for commercial users while maintaining flow and safety for all road users.

Key Outcomes

Delivered traffic modelling and capacity assessments to support corridor upgrades
Designed a new signalised intersection and coordinated geometric layouts
Enhanced access and safety for vehicles, pedestrians, and cyclists
Supported commercial development by improving network capacity and functionality
Ensured integration with surrounding land uses through strategic access planning

Upgrading access and road infrastructure for a new development?
Traffic Planning Consultants deliver expert Traffic Engineering Investigation and Design and Traffic and Transport Modelling services to support network performance and growth.

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