Resources

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#15-01 Launch of the Technical advice note

Published:
Category: Technical advice note | Audiences: Road controlling authorities, Road traffic engineers & consultants, Roading contractors

Highways and Network Operations have launched the new Technical advice note series.

Maintenance and Installation of inductive loops at traffic monitoring sites

Published:
Category: Monitoring , Network , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification sets out the requirements for the selection of sites and the installation of inductive loops at traffic monitoring sites located on state highways.

Maintenance of guardrails and median barriers

Published:
Category: Barriers , Maintenance , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

Guidance notes to the Specification for maintenance of guardrails and median barriers.

Research Report 626 The long-term acoustic performance of New Zealand standard porous asphalt

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

Research was commissioned to investigate the long-term acoustic performance of New Zealand standard porous asphalt made to TNZ P/11 Specification for open graded porous asphalt (OGPA).

Bituminous reseals

Published:
Category: Construction , Chipsealing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This specification and guidance notes set out the performance requirements for: single coat reseals using sealing chip with an average dimension greater than 5.5mm; multilayer seals using sealing chips in the range of grade 2 to grade 6, as defined i…

Pipe subsoil drain construction

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

Specification and guidance notes for F2 Pipe Subsoil Drain Construction.

Pipe culvert construction

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

Specification and guidance notes for pipe culverts including the construction of trenches; supply and placement of bedding; supply and laying of pipes; jointing of the pipes; construction of headwalls, wing-walls, aprons, drops, and intakes and outle…

Benkelman beam deflection measurements

Published:
Category: Construction , Pavement & surfacing , Specifications | Audiences: Road traffic engineers & consultants, Roading contractors

This test procedure covers the determination of the rebound deflection of a pavement under a standard wheel load and tyre pressure, with or without temperature measurements.