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Basecourse aggregate

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

This specification and guidance notes set out requirements for basecourse aggregate for use on state highways and other heavily trafficked roadways. M/4 is the reference or standard specification for primary basecourse for heavy duty use in flexible pavements with thin surfacings. The major changes were published on April 2006.

Publication details

  • Author:
  • Published: October 2004
  • Reference: TNZ M/04
  • Conditions: Use is mandatory on state highways and recommended on other road controlling authority roads
  • Also known as: M/4
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