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Category: Research programme

Research Report 570 - Travel time saving assessment

Published: Apr 2015
  • Reference: 570
  • ISBN: 978-0-478-44510-7
  • Author: I Wallis Ian Wallis Associates Ltd | K Rupp and R Alban Jacobs NZ Ltd

This research report covers the following aspects (from New Zealand and international perspectives) relating to the valuation of travel time savings for use in the economic appraisal of transport initiatives:

- The relative importance of travel time savings in the appraisal of the overall benefits of transport initiatives.

- Primary market research on how the behavioural...

  • Also known as: 567
  • ISBN: ISBN:978-0-478-44507-7
  • Author: TDG | Thresher Associates

Roads have a link function based on movement, and a place function based on being a destination in their own right. The transport industry has effective and reliable measures of link function, but place function has an unclear definition and no reliable or consistent means of assessment.

This research involved the identification of potential indicators to measure the place...

  • Also known as: 566
  • ISBN: ISBN:978-0-478-44505-3
  • Author: Anthony Byett, Consulting Economist, Taupo | James Laird, Institute for Transport Studies, University of Leeds | Adolf Stroombergen, Infometrics Consulting Ltd, Wellington | Stephen Trodd, MWH New Zealand Ltd, Wanganui

Current transport appraisal methods, with their focus on the economic welfare benefits and costs of transport investment, are well grounded in theory and widely used, including by the NZ Transport Agency when it comes to prioritising transport interventions in New Zealand.

However these methods do not provide estimates of extra gross domestic product and extra jobs, nor the...

  • Also known as: 564
  • ISBN: ISBN 978-0-478- 41997-9 (electronic) | ISSN 1173-3764 (electronic)
  • Author: NZ Transport Agency, Auckland University, Opus International Consultants Ltd

The objectives of this study were to investigate the relationship between permeability of chipseals, waterfilm thickness, basecourse moisture sensitivity, heavy traffic volumes, and premature pavement failure following construction through the use of accelerated pavement testing at CAPTIF.

The research has produced some surprising results in that the traditional M/4...


Category: Research programme

Research Report 562 - Economic benefits of park and ride

Published: Dec 2014
  • Reference: 562
  • Author: I Wallis, Ian Wallis Associates | J Ballantyne, TDG | A Lawrence, Ian Wallis Associates | D Lupton, Ian Wallis Associates

This research report investigated the economic and financial benefits from providing expanded park and ride (P&R) facilities. The project objectives were to assist decision-makers by providing guidance on:

- the rationale for investment in P&R, as a cost-effective and efficient means of improving state highway and local arterial road performance and/or reducing public...


Category: Research programme

Research Report 563 - Safer speeds: public acceptance and compliance

Published: Dec 2014
  • Reference: 563
  • ISBN: 978-0-478-41994-8
  • Author: S Turner and S Bosher, MWH NZ Ltd | D Logan, Monash University | J Khoo and H Trumper, Beca Ltd

A key element of the Safer Journeys national road safety strategy is safer speeds. In some cases, particularly where investment to make roads safer at current speeds cannot be justified, this means reduced speed limits for both urban and rural roads. This research considered the level of acceptance of and compliance with reduced speed limits. It examined information from a number of speed limit...

  • Reference: 561
  • Author: Ian Wallis, Ian Wallis Associates | Adam Lawrence, Ian Wallis Associates | Stuart Donovan, MRCagney Pty Ltd | Lennart Nout, MRCagney Pty Ltd | Kit McLean, Coalesce Consulting

This research evaluates existing policy and planning practices, both in New Zealand and overseas, and identifies a framework for appraising and evaluating the benefits and costs of bus-based infrastructure (bus stops and shelters, bus interchanges and bus priority) and the risks to successful project delivery. It suggests a combination of multi-criteria analysis and cost-benefit analysis can...

  • Reference: 559
  • ISBN: 978-0-478-41984-9
  • Author: Dave Smith and Dale Harris Abley Transportation Consultants Limited | Sara Clarke and Pulith Kapugama URS New Zealand Limited

Digital data from emerging sources such as GPS, Bluetooth and weigh-in-motion is currently captured in New Zealand for a range of traffic monitoring purposes. This research project was undertaken to provide guidance on what capacity exists to assess the performance of the state highway road network using these digital data sources.

This report summarises the background research, model...


Category: Research programme

Research Report 560 - Reduced bitumen application rates using bitumen emulsions

Published: Nov 2014
  • Reference: 560
  • ISBN: 978-0-478-41985-6
  • Author: SA Bagshaw Opus Research Ltd

This research project investigated the differences in cohesive energies of model chipseal samples prepared from bitumen emulsions, the base binders, and the kerosene cutback base binder. The aim was to determine if it was possible to construct chipseals by using a lower residual bitumen application rate whilst still retaining adequate performance. Analysis of the NZTA RAMM (Road Asset and...


Category: Research programme

Research Report 556 Survey methods for driver mobile phone use

Published: Oct 2014
  • Also known as: 556
  • ISBN: ISBN: 978-0-478-41981-8
  • Author: Opus International Consultants Ltd

Reducing driver distraction, including distraction resulting from mobile phone use, is an aim of New Zealand’s Safer Journeys programme.

Currently mobile phone usage by New Zealand drivers is captured by self-report or observational surveys. However, studies have indicated that these methodologies might be under-representing actual usage rates.

The aims of this study...

  • Also known as: 557
  • ISBN: ISBN: 978-0-478-41982-5
  • Author: GHD Limited

With increasing demand for travel and limited opportunities for increasing capacity within urban areas there is increasing pressure to make more effective use of the capacity available. One approach is the introduction of special vehicle lanes where particular classes of traffic, typically buses and high occupancy vehicles are permitted to use the lane.

Vehicles eligible to use...


Category: Research programme

Research Report 558 Epoxy modified bitumen chip seals

Published: Oct 2014
  • Also known as: 558
  • ISBN: ISBN: 978-0-478-41983-2
  • Author: Opus International Consultants Ltd

The research investigated aspects of the use of epoxy modified bitumen for construction of chip seals. Changes in the shear modulus, needle penetration and cohesive energy of the epoxy bitumen were used to monitor changes in the material as it cured at 35℃ and 45℃ and after accelerated ageing at 85℃ for 177 days. Wheel-tracking tests were used to determine the ability of the material to...


Category: Research programme

Research Report 555 Optimising drainage maintenance for pavement performance

Published: Sep 2014
  • Reference: 555
  • ISBN: 978-0-478-41974-0
  • Author: J Patrick and H Arampamoorthy, Opus Research | G Arnold, Road Science

This project was designed to investigate the importance of drainage maintenance for pavement performance and to recommend a maintenance strategy. With restrained funding for pavement renewals drainage maintenance is a cost-effective method to ensure optimum pavement performance.

A combination of repeated load triaxial testing and modelling of water movement has shown that once...


Category: Research programme

Research Report 554 Travel time predictability

Published: Aug 2014
  • ISBN: 978-0-478-41966-5
  • Author: Sinclair Knight Merz Limited

Reliable journey time is a key parameter in travellers' route choice and has important applications in transport planning and modelling. For transport users, it affects their choice of mode, journey route and also their activity patterns. For transport planners and policy makers, journey time estimates are used to provide key indicators for performance monitoring, congestion...


Category: Research programme

Research Report 551 Car passenger valuations of quantity and quality of time savings

Published: 01 Jul 2014
  • Reference: 551
  • ISBN: 978-0-478- 41948-1
  • Author: Ian Wallis - Ian Wallis Associates

The objective of this research project was to undertake primary market research in New Zealand, at an exploratory level, to gain greater understanding of car passengers' valuations of travel time savings in a range of situations (including passenger valuations relative to when driving, and relative to car occupants as a group). Based on this exploratory research, the project assessed the...


Category: Research programme

Research Report 547 Fatigue design criteria for road bridges in New Zealand

Published: 30 Jun 2014
  • Reference: 547
  • ISBN: 978-0-478-41936-8 (electronic)
  • Author: MJ Beamish, Beca Ltd

Road bridges are subjected to millions of cycles of heavy vehicle loading over their design lives, and the introduction of higher vehicle mass limits on New Zealand roads will significantly increase the rates of fatigue damage in bridge superstructures. The NZ Transport Agency's Bridge Manual has relied on British and Australian standards for fatigue design criteria, and the aim of this...

  • Reference: 550
  • ISBN: 978-0-478-41914-6
  • Author: Beca Infrastructure Ltd, Francis and Cambridge Ltd

This study conducted in New Zealand in 2012 investigated the attitudes, prevalence, habits and self-reported risks associated with drug-driving, along with possible countermeasures. Telephone and internet surveys were used for a general population sample. Face-to-face interviews, mainly in prisons, surveyed habitual users of four main drug types: alcohol and other drugs, cannabis,...


Category: Research programme

Research Report 550 Transport productivity and sub-industry measures

Published: 24 Jun 2014
  • Reference: 550
  • ISBN: 978-0-478-41947-4
  • Author: Martin, Jenkins and Associates, Coelli Economic Consulting Services

This research investigated using four different approaches to measuring the productivity of the sub-industries (ANZSIC three digits) that comprise the New Zealand transport sector. The four approaches investigated were the growth accounting framework, the Tornqvist index, the Malmquist index and the input–output tables-based approach. The unit-record data available from Statistics New...

  • Reference: 548
  • ISBN: 978-0-478-41939-9
  • Author: J Raine, A Withill, M Morecock Eddy

The New Zealand Transport Agency selected URS NZ Ltd to conduct a literature review in 2013 to find available cost and benefit information for traveller information systems (TIS) and associated products. The outcome of this literature review will be used as reference material for current traveller information projects and as the basis for future New Zealand TIS projects.

This study...

  • Reference: 549
  • ISBN: 978-0-478-41942-9
  • Author: P Kirby, B Wilmshurst, G Koorey

Reducing delay and achieving higher traffic flow rates and a reduction in the frequency and severity of crashes is a key component of New Zealand's long-term success in managing its transport network. The research focused around developing, implementing and measuring safe and robust design principles and techniques to understand economic efficiency and operation on New Zealand's...

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