Resources

Displaying 111 - 120 results of 635 for ""

Research Report 576 Flushing in chipseals

Published:
Category: Activity management , Research programme , Research & reports | Audience: Road traffic engineers & consultants

This report details research carried out from 2012 to 2015 into chipseal flushing.

Research Report 574 Geosynthetics in basecourse stablisation

Published:
Category: Activity management , Research programme , Research & reports | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The application of geosynthetics (ie geogrids) for the stabilisation of basecourses prepared with a River Run rounded gravel aggregate was investigated.

Wire rope safety barrier (WRSB) transitions

Published:
Category: Road safety hardware and practice , Technical memoranda | Audience: Road traffic engineers & consultants

This technical memorandum provides advice on the recommended practice for the design and installation of transitions between wire rope safety barriers (WRSB) and semi-rigid and rigid barrier systems. The barrier configurations in the memo are generic…

Road lighting improvements

Published:
Category: Crash analysis , Research & reports | Audience: Road traffic engineers & consultants

An examination of the safety benefits of road lighting.

Right turn treatment

Published:
Category: Crash analysis , Research & reports | Audience: Road traffic engineers & consultants

A crash analysis of sites where right turn bays were installed and/or right turn markings were painted.

Review of Economic evaluation manual passing lane length factors

Published:
Category: Research & reports | Audience: Road traffic engineers & consultants

This research is part of research to improve the passing lane length factors table A7.11 within appendix A7 of the Economic evaluation manual.

Management of road traffic noise effects

Published:
Category: Planning, design, funding, building, maintenance of the transport network , Guidance for specialists | Audience: Road traffic engineers & consultants

This brochure summarises how the NZ Transport Agency, working together with local authorities and landowners/developers, manages road traffic noise effects on new developments and altered buildings.

Estimation of the density of compacted aggregate layers by direct transmission

Published:
Category: Construction , Asphalt , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The T23 method for the estimation of the density of compacted aggregate layers by direct transmission is used to quantify the vertical uniformity of aggregate compacted in a pavement layer.

High modulus asphalt (EME 2)

Published:
Category: Construction , Asphalt , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

The M32 specification for high modulus asphalt (EME 2) (version 1) and notes (version 1) cover EME 2 high modulus asphalt for roads, industrial pavements and related applications.

Resealing

Published:
Category: Construction , Chipsealing , Specifications | Audiences: Road controlling authorities, Road traffic engineers & consultants

The specification and guidance notes for resealing on an existing sealcoat or primed surface.