This is a selection of some of the many publications & presentations that ViaStrada has been involved in over the years - click on the filter icon to refine the search by staff members.
Publications and presentations
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Stops and Goes - The next generation
What’s changed at New Zealand’s signalised intersections over the past 20 years, and what hasn’t? Megan Gregory presented at the 2026 SNUG Workshop,
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Left turn treatments at signalised intersections presentation
Megan Gregory recently presented the findings of ViaStrada's white paper, Left Turn Treatments at Signalised Intersections: A Safety Review, at the
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Safe System Approach to Road Safety
Ashu Kedia delivered an invited online guest lecture on the Safe System Approach to Road Safety to student members of the Institution of
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Left turn treatments at signalised intersections - white paper
Are slip lanes inherently less safe than conventional signalised left turns? This review examines Australian and New Zealand research and finds that
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Assessment of loud vehicle, speed change and nuisance noise from road transport
Traffic noise is a growing environmental and public health concern, but what causes the loud, isolated noise events that generate the most community
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Stops and Goes of Traffic Signals: a Traffic Signal Auditor’s Perspective
Originally authored in 2004, with minor updates in 2006, significant advancements since has meant the guide required updating.
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Modelling Consumers’ Preferences for Time-Slot Based Home Delivery of Goods Bought Online: An Empirical Study in Christchurch
This study investigates Christchurch residents’ preferences for different home delivery time slots for online purchases and examines whether off
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Assessing traffic characteristics for safe pedestrian crossings: Developing warrants for sustainable urban safety
This research evaluates traffic characteristics associated with safe pedestrian crossings and develops warrants to guide crossing provision. The
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Making traffic signals work for people cycling – update
Whether a cycle facility on the approach to traffic signals is painted or physically separated makes a big legal difference. The painted facility is
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Making traffic signals work for people cycling
Whether a cycle facility on the approach to traffic signals is painted or physically separated makes a big legal difference. The painted facility is
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Separated cycleways and filter turning
The Signals NZ User Group (SNUG) held its annual workshop in New Plymouth in 2023. Axel presented on separated cycleways and filter turning. The
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Stops and Goes of Traffic Signals – SNUG 2023
In 2023, the Signals NZ User Group (SNUG) held its annual workshop in New Plymouth. Axel presented on the publication Stops and Goes of Traffic
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Estimating the adoption of electric vehicles: A case study of four Indian states
This project examines electric vehicle (EV) adoption trends in Delhi, Uttar Pradesh, Karnataka, and Gujarat and estimates how many EVs must be
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Free public transport – or how else do we reduce transport emissions?
Axel was invited to speak about “free public transport” to the Tuesday Club, the weekly meeting of an eclectic mix of people convened by former
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Why don't we build safe roundabouts?
In New Zealand, we are currently being told that "it's time we stopped paying the road toll". Yet our roundabout design philosophy utilising a
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Research note 006: Infrastructure for quick-build cycleways
This research note provides information about the best infrastructure options for installing quick-build (interim) separated cycleways to increase
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Why universal half-price public transport shouldn’t be made permanent
This opinion piece written for The Spinoff by Axel Downard-Wilke and published on 16 May 2022 explains why funding could be better spent on what's
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Cycling Network Guidance updates
This poster presentation gives an overview of amendments to the Cycling network guidance (CNG) that have been published since January 2020.
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Blind driveways
In early 2020, Waka Kotahi (the NZ Transport Agency) consulted on a proposal to allow cycling on footpaths for everyone. Yet district plans allow
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Directional cycle signals (SNUG 2021)
A formal trial for directional cycle signals was completed in 2019 based on sites in Auckland and Christchurch. This presentation at the 2021 SNUG
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Supercharging Urban Development in Ōtautahi Christchurch
Te Pūtahi, the Christchurch centre for architecture and city-making, organised an event to introduce the new requirements and tools enacted by the
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