Publications and Presentations

Are slip lanes inherently less safe than conventional signalised left turns? This review examines Australian and New Zealand research and finds that …

Traffic noise is a growing environmental and public health concern, but what causes the loud, isolated noise events that generate the most community …

What data do we really need to improve pedestrian safety? ViaStrada's John Lieswyn and Glen Koorey joined Phil Harbutt from Pivot Space to present …

As part of ViaStrada research into minimum walking data requirements to progress pedestrian safety, this Guideline and data framework spreadsheet …

This Austroads report summarises research undertaken by ViaStrada for determining the minimum data requirements to measure and improve pedestrian …

At the 2026 Transportation Conference, John, Bronwen and Tanja led an interactive Learning Cafe session, where they introduced attendees to the DOC …

At the 2026 NZ Transportation Conference, Glen presented on some NZTA research that investigated the impacts of permanent road-space reallocation on …

The Austroads’ funded project Keeping People Safe When Walking aims to help chart a path to zero pedestrian serious trauma, by establishing a …

ViaStrada undertook research for NZTA investigating the measured network vehicle-kilometres travelled (VKT) impacts of permanent road space re …

This research shows that emerging new technologies like WiFi probes and artificial intelligence processing of video feeds can help measure levels of …

How do we gather information about our streets and paths to improve them for people of all ages and abilities? John …

Our current understanding of the impacts of mode change on safety is limited, due to the complex interactions between the various risk factors plus …

John Lieswyn was recruited by the World Bank to join an international cast of subject matter experts producing a comprehensive report on ways to …

Originally authored in 2004, with minor updates in 2006, significant advancements since has meant the guide required updating. …

Northland is building an urban and rural network of shared pathways for people walking, biking, and scooting. In the largest city, Whangārei, …

Whether a cycle facility on the approach to traffic signals is painted or physically separated makes a big legal difference. The painted facility is …

Te Mahere o te ara tawhiti ki te Raki, the Far North Trails Plan had the goal of developing a prioritised list of future routes to extend the …

Whether a cycle facility on the approach to traffic signals is painted or physically separated makes a big legal difference. The painted facility is …

The Signals NZ User Group (SNUG) held its annual workshop in New Plymouth in 2023. Axel presented on separated cycleways and filter turning. The …

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 …

We can quantify the economic impact of investing in roads for motor vehicle drivers, why not pedestrians? This presentation describes a simple …

Understanding the perceptions of walkability in Central North Christchurch for older adultsBy developing walkable streets, Christchurch can create …

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 …

There has been a surge of interest in the “10, 15 or-20-minute city” both worldwide and in Aotearoa New Zealand. This goal, which for generality, we …