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 …

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

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

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 …

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 …

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 …

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 …