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Technical Standards and Guidelines (Road & Marine)

DIT documents accessed from this site are in the form of ".doc", ".xls", ".dwf", ".tif" or ".pdf" files.

To access ".dwf" documents, the latest versions of Microsoft Internet Explorer and Autodesk Design Review are recommended.

Please notify your DIT representative if access to documents is unsuccessful.

DIT Master Specification

Tender Documents for Contractors

Sunrise and Sunset Times

Transport Modelling and Analysis

CAD Support Files

CAD support site - Includes files to assist those performing CAD work for The Department or to DIT standards.

Design Management


Marine Facilities

Major Structures

Road and Traffic Management

Includes DIT Operational Instructions