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Welcome to the New Hampshire Department of Transportation CAD/D File Library

The following CAD/D files are currently available:

2012 cad/d spec coverNHDOT CAD/D Procedures and Requirements (2012 edition):

This document lists the current procedures and requirements to be used when drafting NHDOT CAD/D projects.  The file is available in PDF (1775 Kb) format.

NHDOT Level mapping:

This document contains the most current version of the Department's level mapping convention in PDF format. 


Previous versions of NHDOT CAD/D standards can be found in the archives

Sample Project Journal File:

This is a sample showing the type of documentation desired during project submissions. Project Journal Word document (34 Kb)

Standards & Special Details:

Design Standards and Special Detail sheets can be found on the NHDOT Business Center page.


MicroStation v8i: 

Name Description


Date This file includes cell files, level libraries, dgnlib's (element templates and tasks), linestyle files, color table, and seed files. Minor updates to task menu items. 8845 Kbytes 8/19/2014

MX v8i:

Name Description


Date MX style sets, macros, add-ins, parameter files, and MX/MicroStation mapping files for MX v8i.   See the readme file for more details.  652 Kbytes 4/11/2012

MicroStation v8: 

Name Description


Date The individual workspace files have been replaced by this single file containing NHDOT's MicroStation v8 workspace. This includes cell files, level libraries, GDM rule files, linestyle files, color table, and seed files.

Note that programs developed by the DOT are not included in this file. They are in (below)

Since the DOT has migrated to v8i, these files are no longer being updated.

4992 Kbytes 04/29/11
these files are no longer being updated


NHDOT Created Programs:

Name Description



nhdot-v8-macro.zipv8 logo A number of NHDOT developed programs are available. These routines are provided as is and are unsupported. Refer to the program descriptions for more information. 1083 Kbytes 07/08/08

Send any comments to Bill Caswell at

New Hampshire Department of Transportation
PO Box 483 | 7 Hazen Drive | Concord, NH | 03302-0483
Tel: 603.271.3734 | Fax: 603.271.3914

copyright 2014. State of New Hampshire