This is just a selection of some of the many projects that ViaStrada has been involved in over the years - click on the filter icon to refine the search by topic areas.

Stops and goes of traffic signals - guidance document update

ViaStrada’s update to the Stops and Goes of Traffic Signals manual is a substantial refresh of the original 2005/2006 guidance, bringing it into line …
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Minimum walking data requirements to progress pedestrian safety

How do we measure progress toward zero pedestrian deaths? ViaStrada research for Austroads identified the essential pedestrian data needed to support …
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NZTA Mode-shift vs Safety Model update

TGNZ and NZMUGS commissioned ViaStrada to investigate and further update the existing NZTA model determining the estimated safety impacts of mode …
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Driver competency and knowledge over time

ViaStrada and Mackie Research were commissioned by AA Research Foundation to investigate how driver knowledge changes over time and how it could be …
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VKT impacts of road space reallocation

ViaStrada was commissioned by NZTA to investigate the measured network vehicle-kilometres-travelled (VKT) impacts of permanent road space reallocation …
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Wellington Older Road Users & Urban Intersections Crash Risk Study

ViaStrada was commissioned by Wellington City to investigate road safety harm across two key areas of concern: crashes involving older road users …
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Auckland speed limit reversals peer review

ViaStrada was commissioned by Auckland Transport to independently review their programme of 1,554 speed limit reversals required under the 2024 Speed …
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Mode shift impacts on safety

ViaStrada was commissioned by NZTA to undertake research on the overall safety impacts of mode shift away from private motorised vehicles to whole …
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Individual Vehicle Noise Research

This research project looked at the interface between traffic engineering and acoustics, to better understand how road engineering features influence …
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Nelson/Tasman Speed Management Plan Economic Assessment

ViaStrada was commissioned to assess and report on the economic benefits of four urban and four rural options for the proposed Nelson/Tasman Regional …
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Reducing car dependency in the Pacific Islands

John Lieswyn was recruited by the World Bank to join an international cast of subject matter experts producing a comprehensive report on ways to …
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Safety of people travelling outside vehicles - deep dive review

Auckland Transport commissioned ViaStrada to carry out a wide-ranging investigation into the extent, nature and causes of serious harm to people …
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Regional Speed Management Plan workshops

ViaStrada helped facilitate three industry workshops bringing together regional and local authority reps to coordinate Regional Speed Management Plans …
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Taupō District Speed Management Plan

ViaStrada was commissioned by Taupō District Council to prepare a Speed Management Plan for their district. The Plan is based on the new Waka Kotahi …
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Ōtautahi Christchurch central city 30 km/h speed limit safety evaluation

What impact has a speed limit drop from 50 to 30 km/h had in the CBD after its implementation in March 2016? ViaStrada conducted studies in 2019 and …
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Costs of road transport "accidents"

ViaStrada delivered a working paper summarising the methodology and calculations to derive estimates of the Total (Social) Costs, Average Costs, …
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Cycling Demand Model

ViaStrada and WSP developed a GIS and spreadsheet based cycling demand model with an accuracy that is an order of magnitude better than the existing …
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Infrastructure for quick-build cycleways

Waka Kotahi commissioned ViaStrada to undertake research on quick-build (interim) cycleway infrastructure. This research note provides information …
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National State Highway Speed Management Panel

Where should speed limits change — and why? ViaStrada helped answer that question as part of NZTA’s national panel reviewing speed limits across key …
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Dunedin South Speed Management Plan

ViaStrada completed a speed management study on behalf of the Dunedin City Council to address community concerns about road safety in South Dunedin, …
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Hastings rural speed limits review

ViaStrada evaluated the safety effectiveness of reduced rural speed limits in Hastings District, by comparing treated roads with similar rural roads …
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