DMRB Volume 2 Section 2 Part 4 (BD 51/98) Highway structures: Design (substructures and special structures) materials. Special structures. Portal and cantilever signs/ signal gantries (Including NRA addendum - Dec 2000)
Publication Year
1998
Document Status
Withdrawn
Abstract
Sets out criteria and considerations for use in the procurement and preparation of designs for portal and cantilever sign and/or signal gantries for use over highways.
Document History
Superseded by BD 51/14 NRA DMRB 2.2.4 Supersedes - BD 51/94.
Publisher Information
National Roads Authority
The National Roads Authority's (NRA) primary function, under the Roads Act 1993, was to secure the provision of a safe and efficient network of National roads. They were responsible for the planning and supervision of construction and maintenance, publishing the NRA DMRB and NRA MCDRW. In 2016 the NRA merged with the Railway Procurement Agency (RPA) to form a new organisation, Transport Infrastructure Ireland (TII).
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