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Research Report 671 Developing a method for quantifying transport interdependencies

Published: | Category: Economic prosperity , Research programme , Research & reports | Audience: General

This study was carried out to get a better understanding of the interdependencies between transport and other infrastructure so that a more resilient transport network can be achieved. A method of assessing interdependencies was developed to improve decision making.  

Keywords: criticality, dependencies, infrastructure, interdependencies, lifelines, risk, resilience, transport

Research Report 663 The New Zealand public’s readiness for connected- and autonomous-vehicles (including driverless), car and ridesharing schemes and the social impacts of these

Published: | Category: Inclusive access , Research programme , Research & reports | Audiences: Electric vehicle motorists, General, Motorists

This research was commissioned to provide Waka Kotahi and the Ministry of Transport with information about the New Zealand public’s readiness to adopt four key mobility changes: autonomous vehicles, connected vehicle technology, car sharing, and ride sharing schemes.    

The research found that New Zealanders have a good knowledge of CAVs and app-based ridesharing, but few have heard about ridesharing and carsharing schemes. There are also widespread safety concerns alongside issues of availability, cost and convenience. However, comparisons with international data suggest that at the time of writing this report the New Zealand public was more aware and ready to use CAVs than some overseas jurisdictions. Keywords: attitudes, autonomous vehicles, carsharing, connected vehicles, mobility as a service, ridesharing

Research Report 578 Removing barriers to the use of crumb rubber in roads

Published: | Category: Activity management , Research programme , Research & reports | Audiences: General, Roading contractors

The purpose of this research was to identify the barriers to using tyre-derived crumb rubber in bitumen binder in New Zealand roading and the methods to remove these barriers to create market demand for New Zealand waste tyre-derived products. As a result of the comprehensive literature review and stakeholder consultations, it was found that the key barriers in New Zealand were high initial cost of specialist equipment, the relatively small market, security of supply and implications of the industry’s switch to emulsion binders. Fortunately, with a growing appetite for better performance in roading infrastructure and continued technological advancement, a number of solutions were identified. These include growing the use of modified binders over the network and investigation into the use of devulcanised rubber.

Research Report 674 Mode shift to micromobility

Published: | Category: Inclusive access , Research programme , Research & reports | Audience: General

The performance of the transport network can be improved by anticipating the impacts of new micro-mobility technologies and how the introduction of new modes may be managed to optimise benefits.  

In this research transport modelling, based on several assumptions about micro-mobility, suggested higher usage of shared paths and separated cycle facilities than for forecasts of push-bikes alone. The growth in availability and ownership of micro-mobility may also lead to increase in public transport patronage as a result of first mile/last mile micro-mobility use.  

Keywords: bike, e-scooter, first/last mile, micromobility, mode share, mode shift, shared mobility, sustainable transportation

Research Report 582 Time and fuel effects of different travel speeds

Published: | Category: Safety, security and public health , Research programme , Research & reports | Audience: General

This project investigated the effect of different maximum trip speeds for six New Zealand routes. The study recorded actual mean speeds, time taken and fuel used. Speeds of 40km/h and 50km/h were tested on three short routes and speeds of 80km/h, 90km/h and 100km/h were tested on three long routes. On the short routes, decreasing maximum speed decreased mean speed by 7% to 14% and increased travel time by 8% to 15%. Trips at 40km/h used 3% to 5% less fuel on the two Wellington routes but the difference in fuel used was not significant on the Auckland route. On the long routes, reducing trip maximum speed to 90km/h and 80 km/h reduced mean speed and increased travel time across all routes.

COVID-19 impacts on transport

Published: | Category: General , Research programme , COVID-19 , Statistics & surveys

Waka Kotahi NZ Transport Agency instigated a continuous monitor across New Zealand to assess the impact of COVID-19 on people's transport choices.  

The in-field questions started Friday, 3 April 2020 and the monitor will run a minimum of 24 waves. The nationally representative study offers insights into how people respond in their transport choices, their perceptions and attitudes to different modes of transport and how they change under the different COVID-19 Alert Levels.  

Updates are provided here. High level analyses, deep dive analyses and infographics will be published as they become available.

Research Report 675 The relationship between transport and mental health in Aotearoa New Zealand

Published: | Category: Healthy and safe people , Research programme , Research & reports

Little is known about the effects of transport on mental health in Aotearoa, and there is a need to collect better information about the experiences and needs of diverse transport users and to develop a better local understanding of these interrelationships. This literature review provides some initial clues about what role the transport systems could be playing in contributing to an increase in mental distress and mental illness in our communities. Keywords: transport, mental health, cities, quality of life, tāngata whaiora