Welcome to the New Hampshire Department of Transportation CAD/D File Library.
The following CAD/D files are currently available.
2022 CAD/D Procedures
& Requirements
NHDOT
CAD/D Procedures and Requirements 
(2022 edition) (1.3 Mb)
This document lists the current procedures and requirements to be used
when drafting NHDOT CAD/D projects.
NHDOT Level Mapping
This document contains the most current version of the Department's
level mapping convention. (updated August 11, 2022)
Archives
Previous versions of NHDOT CAD/D standards.
Sample Project
Journal File
(34 Kb)
This is a sample showing the type of documentation desired during
project submissions.
Standards &
Special Details
Design Standards and Special Detail sheets.
NHDOT Downloads
| File Name | Description | Date |
|---|---|---|
nhdot-workspace_ms16_ord2021-r2.zip  107 MB |
Civil seed files, feature libraries, roadway templates, macros and other associated files for MicroStation update 16 and OpenRoads Designer 2021-Release 2. For help installing the workspace, see nhdot_connect-installation-readme.pdf |
02/09/2023 |
The SS4/SS10 files are only no longer supported now that NHDOT has moved to MicroStation Connect and OpenRoads Designer.
| File Name | Description | Date |
|---|---|---|
|
nhdot-ms-ss4-workspace.zip 6.1 MB |
This file includes cell files, level libraries, dgnlib's (element templates and tasks), linestyle files, color table, and seed files. | 8/3/2021 |
|
nhdot-ms-ss4-seed-files.zip 3.8 MB |
This zip file includes empty copies of DGN files needed for a typical NHDOT project. To create other new drawings, use the seed file included within the workspace zip file above. Seed files for U.S. Survey Foot drawings were added on Aug. 3, 2016. See the documentation about seed files for more details. | 2/13/2018 |
| File Name | Description | Date |
|---|---|---|
|
nhdot-openroads-ss4-workspace.zip 10.2 MB |
Civil seed files, feature libraries, roadway templates, InRoads XIN file for survey features only, macros, MX parameter files, and MX/MicroStation mapping files for MX and OpenRoads SelectSeries 4. |
12/24/2020 |
Send any comments to Bill Caswell at William.Caswell@dot.nh.gov.
Portable Document Format (.pdf). Visit nh.gov for a list of free .pdf readers for a variety of operating systems.
ZIP Format (.zip). Visit nh.gov for a list of free .zip readers for a variety of operating systems.
New Hampshire Department of Transportation
PO Box 483 | 7 Hazen Drive |
Concord, NH | 03302-0483
Tel: 603.271.3734 | Fax: 603.271.3914