Publications and Presentations

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 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 …

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

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

Traditional road safety measures of harm like the numbers of deaths and injuries suffered in crashes are often under-reported but also overlook …

John presented “A better cycling demand model” at the 2022 NZMUGS Conference in Christchurch. This presentation followed on from research by …

Traditional road safety measures of harm like the numbers of deaths and injuries suffered in crashes are often under-reported but also overlook …

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 …

This research note provides information about the best infrastructure options for installing quick-build (interim) separated cycleways to increase …

In many countries, road space is often allocated primarily for motor vehicles. The negative health and well-being externalities of such an …

Glen Koorey presented a poster at the 2021 Transport Knowledge Conference summarising recent work looking at pedestrian deaths and serious injuries …

Gemma participated in the Age friendly Ōtautahi workshop organised by the Transportation Group and others. She presented 8 slides in 8 minutes on …

The transportation profession incorporates people with diverse backgrounds and education, and this enriches our community, yet many don’t have a …

The Pedestrian Network Guidance (PNG) is going online soon, as an update of the ground-breaking Pedestrian Planning and Design Guide (PPDG) …

This article presents a comprehensive conceptual framework for modelling safe walking and cycling routes to school for adolescents. The framework …

The 2019 Walk21 conference was held in Rotterdam, The Netherlands. New Zealand was represented by John Lieswyn of ViaStrada and Gerry Dance of the …