We want to publicise research to encourage wider adoption of research report recommendations and the application of findings.  This page provides a summary of recent Transport Agency research reports.  For a list of currently active research projects and approved projects not yet commissioned, click here.  For a list of all published Transport Agency research reports (to June 2016), click here.

Recent NZTA research reports: (click on the report number to go to the report)

  • NZTA RR 619 (Jun. 2017) Approaches to estimating regional input-output tables.
  • NZTA RR 617 (Jun. 2017) Transition from visual condition rating of cracking, shoving and ravelling to automatic data collection.
  • NZTA RR 616 (Jun. 2017) Assessing the value of public transport as a network.
  • NZTA RR 615 (Jun. 2017) Maintaining the effectiveness of audio tactile profiled roadmarkings for their full life cycle.
  • NZTA RR 603 (Jun. 2017) The relationship between vehicle axle loadings and pavement wear on local roads.
  • NZTA RR 568 (May 2017) Travel time savings and speed: actual and perceived
  • NZTA RR 582 (May 2017) Time and fuel effects of different travel speeds
  • NZTA RR 614 (Apr. 2017) Establishing the value of resilience.
  • NZTA RR 611 (Mar. 2017) Pavement moisture measurement to indicate risk to pavement life.
  • NZTA RR 610 (Mar. 2017) The assessment of the effects of small-scale development proposals on the transport network.
  • NZTA RR 606 (Mar. 2017) Towards a safe system for cycling. 
  • NZTA RR 591 (Mar. 2017) Evaluation of the effectiveness of the NZ Transport Agency's procurement policy.
  • NZTA RR 613 (Feb. 2017) Seismic design and performance of high cut slopes.
  • NZTA RR 612 (Feb. 2017) Lessons to be learned from 15-year-old second-coat seals and reseals.
  • NZTA RR 607 (Feb. 2017) Driver's understanding of temporary and permanent slippery road signage.
  • NZTA RR 604 (Feb. 2017) A review of methods for analysis of regulatory effectiveness.
  • NZTA RR 608 (Feb. 2017) The economic impacts of connectivity.
  • NZTA RR 605 (Jan. 2017) Benchmarking the operations and maintenance of New Zealand's roading sector.
  • NZTA RR 602 (Dec. 2016) Evaluation of shear connectors in composite bridges.
  • NZTA RR 601 (Dec. 2016) Understanding the value of transport investment in historic and cultural heritage.
  • NZTA RR 592 (Sep. 2016) Measuring the value [of] the movement of people and goods to inform the One Network Road Classification functional categories criteria.
  • NZTA RR 596 (Sep. 2016) Understanding the trends in roadside air quality.
  • NZTA RR 599 (Sep. 2016) Review of the NZ Transport Agency treatment selection algorithm.
  • NZTA RR 588 (Sep. 2016) Why are some urban traffic signals much less safe than others?
  • NZTA RR 598 (Aug. 2016) Cracking in specialist surfacing systems.
  • NZTA RR 590 (Aug. 2016) Impacts of exposure to dust on unsealed roads.
  • NZTA RR 595 (Aug. 2016) Best practice international solutions for mitigating human factor causes of signal passed at danger.
  • NZTA RR 594 (Jun. 2016) Demonstrating the benefit of network operation activities.
  • NZTA RR 565 (Jun. 2016) Pricing strategies for public transport.
  • NZTA RR 593 (Jun. 2016) The role of real-time crowdsourced information and technology in supporting traveller information and network efficiency.
  • NZTA RR 589 (Jun. 2016) Improving safety for people who cycle on rural roads.
  • NZTA RR 586 (Mar. 2016) Regionalisation of the National Land Transport Demand Model.
  • NZTA RR 585 (Mar. 2016) Risk assessment of road stormwater run-off.
  • NZTA RR 584 (Feb. 2016) Considering a cost-benefit analysis framework for intelligent transport systems.
  • NZTA RR 580 (Feb. 2016) Quantifying the likelihood of barrier strike maintenace.
  • NZTA RR 573 (Sep. 2015) The relationship between road lighting and night time crashes in areas with speed limits between 80 and 100km/h.
  • NZTA RR 576 (Sep. 2015) Flushing in chipseals.
  • NZTA RR 581 (Dec. 2015) The role public transport can play in Safer Journeys and, in particular, to advance the Safe System approach 
  • NZTA RR 579 (Nov. 2015) Chipseal cracking
  • NZTA RR 577 (Nov. 2015) Criteria and guidance for the design of integral bridges in New Zealand
  • NZTA RR 578 (Nov. 2015) Removing barriers to the use of crumb rubber in roads
  • NZTA RR 575 (Nov. 2015) The costs and benefits of inner city parking vis-a-vis network optimisation
  • NZTA RR 574 (Sep. 2015) Geosynthetics in basecourse reinforcement
  • NZTA RR 572 (Sep. 2015) Detailed customer requirements of travel information services, and the effectiveness of current channels
  • NZTA RR 571 (Aug. 2015) Approaches to valuing injury and mortality risk in transport assessments
  • NZTA RR 569 (Jun. 2015) Public transport and the next generation
  • NZTA RR 570 (Apr. 2015) Travel time saving assessment.
  • NZTA RR 566 (Mar. 2015) Assessing new approaches to estimating the economic impact of transport interventions using the gross value added approach.
  • NZTA RR 564 (Mar. 2015) Effects of water on chipseal and basecourse on high-volume roads.
  • NZTA RR 567 (Mar. 2015) Performance indicators and measures for the place functionof state highways and arterial roads in urban contexts.
  • NZTA RR 561 (Dec. 2014) Benefits and delivery risks for bus infrastructure schemes.
  • NZTA RR 563 (Dec. 2014) Safer speeds: public acceptance and compliance.
  • NZTA RR 562 (Dec. 2014) Economic benefits of park and ride.
  • NZTA RR 560 (Nov. 2014) Reduced bitumen application rates using bitumen emulsions.
  • NZTA RR 559 (Nov. 2014) Identify the uses of emerging sources of digital data to assess the efficiency of the state highway network.
  • NZTA RR 558 (Oct. 2014) Epoxy modified bitumen chip seals.
  • NZTA RR 557 (Oct. 2014) Getting more from our roads: an evaluation of special vehicle lanes on urban arterials.
  • NZTA RR 556 (Oct. 2014) Survey methods for driver mobile use.
  • NZTA RR 555 (Sep. 2014) Optimising drainage maintenance for pavement performance.
  • NZTA RR 554 (Aug. 2014) Travel time predictability.
  • NZTA RR 551 (Jul. 2014) Car passenger valuations of quantity and quality of time savings.
  • NZTA RR 547 (Jun. 2014) Fatigue design criteria for road bridges in New Zealand.
  • NZTA RR 544 (Jun. 2014) New Zealanders attitudes towards drug-driving and suggested countermeasures.
  • NZTA RR 550 (Jun. 2014) Transport productivity and sub-industry measures.
  • NZTA RR 549 (May 2014) Operating characteristics and economic evaluation of 2+1 lanes with or without intelligent transport systems assisted merging.
  • NZTA RR 548 (May 2014) Literature review of the costs and benefits of traveller information projects.
  • NZTA RR 542 (Mar. 2014) Ongoing domestic freight volume information study.
  • NZTA RR 546 (Feb. 2014) Measuring the resilience of transport infrastructure.
  • NZTA RR 543 (Jan. 2014) Pavement design for specialist surfacings.
  • NZTA RR 545 (Jan. 2014) The relationship between crash rates and rutting.
  • NZTA RR 537 (Dec. 2013) Improving the cost benefit analysis of integrated PT, walking and cycling.
  • NZTA RR 540 (Dec. 2013) Customer requirements of multimodal travel information systems.
  • NZTA RR 541 (Dec. 2013) Driver risk from blood alcohollevels between 50mg/100ml and 80mg/100ml.
  • NZTA RR 539 (Dec. 2013) A new vehicle loading standard for road bridges in New Zealand.
  • NZTA RR 535 (Nov. 2013) Accurate and affordable location technology in New Zealand.
  • NZTA RR 536 (Oct. 2013) Optimising expenditure on roadside safety barriers.
  • NZTA RR 534 (Oct. 2013) Drivers of demand for transport.
  • NZTA RR 533 (Oct. 2013) Economic appraisal of public transport service enhancements.
  • NZTA RR 538 (Oct. 2013) Reliability and freight literature and practice review.
  • NZTA RR 487 (Sep. 2013) Experience with the development ofoff-peak bus services.
  • NZTA RR 520 (Sep. 2013) National long-term land transport demand model.
  • NZTA RR 527 (Sep. 2013) Improving bus service reliability.
  • NZTA RR 531 (Sep. 2013) Experience with value-for-money urban public transport system enhancements.
  • NZTA RR 525 (Sep. 2013) Steel-concrete composite bridge design guide.
  • NZTA RR 529 (Jun. 2013) Performance indicator analysis and applying levels of service.
  • NZTA RR 528 (Jun. 2013) Improvement of visual road condition data.
  • NZTA RR 526 (May 2013) Stability of motorcycles on audio tactile profiled (ATP) road markings.
  • NZTA RR 524 (May 2013) Development of a public transport investment model.
  • NZTA RR 508 (Apr.2013) Improvement of the performance of hotmix asphalt surfacing in New Zealand.
  • NZTA RR 523 (Apr. 2013) The effect of roughness (and test speed) on GripTester measurements.
  • NZTA RR 515 (Apr. 2013) The effect of rainfall and contaminants on road pavement skid resistance.
  • NZTA RR 512 (Mar. 2013) The New Zealand accessibility analysis methodology.
  • NZTA RR 518 (Mar. 2013) Econometric models for public transport forecasting.
  • NZTA RR 522 (Mar.2013) Blueprint for a best practice measurement indicator set and benchmarking.
  • NZTA RR 502 (Mar. 2013) Assessing pre-tensioned reinforcement corrosion within New Zealand concrete bridge stock.
  • NZTA RR 487 (Feb. 2013) The costs of congestion reappraised.
  • NZTA RR 498 (Feb. 2013) The design of stabilised pavements in New Zealand.
  • NZTA RR 516 (Feb. 2013) Detailed observations and validated modelling of the impact of traffic on the air quality of roadside communities.
  • NZTA RR 517 (Feb. 2013) Use of roadside barriers versus clear zones.
  • NZTA RR 511 (Feb. 2013) Value capture mechanisms to fund transport infrastructure.
  • NZTA RR 513 (Jan. 2013) Impact of urban form on transport and economic outcomes.
  • NZTA RR 514 (Jan. 2013) The contribution of public transport to economic productivity.