Use the 2023 Highway Design Manual on all projects with the Plans, Specifications and Estimates (PS&E) milestone on and after Jan. 1, 2023. Projects that reach the PS&E milestone before Jan. 1, 2023 may use the 2012 or 2023 Highway Design Manual.

Hard copies are not available for purchase.

DRAFT 2024 Highway Design Manual

The DRAFT 2024 Highway Design Manual is now available for review and comment. The draft document contains only those sections that were revised for the 2024 version.

DRAFT 2024 Highway Design Manual

The comment period is open through June 16, 2023. When submitting comments, please use the Comment Log. Instructions for submitting comments are included in the comment log deocument.

Implementation and Summary of Updates

The 2023 HDM Revision Summary and Implementation Plan identifies the changes from the 2012 version, explains the implementation process for the 2023 HDM, and defines the process for future HDM updates.

Chapter Breakdown

Preface

Table of Contents

Part 100 - Design Policies and Procedures

Part 200 - Geometric Design and Context

Part 300 - Cross Section Elements

Part 400 - Roadside Design

Part 500 - Intersection Design

Part 600 - Interchanges and Grade Separations

Part 700 - Public Transportation and Guidelines

Part 800 - Pedestrian Design

Part 900 - Bikeway Design

Part 1000 - Design Exceptions

Part 1100 - 3D Design

Part 1200 - Other Technical Disciplines

Part 1300 - Deliverables

Appendicies

A - Functional Classification

B - Oregon Highway Plan Appendix D: Highway Classification by Mile point

C - Freight Mobility, Vertical Clearance and Resources

D - Practical Design Strategy

E - Designated Bikeway

F - FAC-STIP Tool Guide

G - ODOT ADA Curb Ramp Process

L - Bicycle and Pedestrian Design

M - Digital Design Packages

N - Digital Design Quality Control

P - Analysis for Roundabout Entrance & Exit Geometry

Q - MAP 21 NHS Standards

Please note, we have intentionally left appendices H, I, J, K and O blank.

Past Edition

Highway Design Manual 2012

For use on projects with a PS&E milestone date between October 2012 through December 2022.

Related Materials

Horizontal alignment design tool
Practical Design Guidebook
ODOT Tree Sightline Analysis Flowchart
Workflow of sightline analysis used to determine the placement or removal of roadside and median trees.
1R/3R Record of Decisions Documentation

Blueprint for Urban Design

This companion document supplements, and provides enhanced design guidance, to the 2012 Highway Design Manual and other ODOT manuals until their updates can be completed.

Highway Design Manual

Contact the Roadway Engineering Unit

Manual Contacts