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Highway Design Manual

I-5 North Medford InterchangeContact the Roadway Engineering Unit

555 13th Street NE
Salem OR, 97301
Fax: 503-986-4063

Manual Contacts

Chris Bores - Primary contact

Lily Nguyen - Primary contact

Bethany Veil - Urban Design

Christopher Henson - Rural Design

Aaron Myton - Interchange Design

Taundra Mortensen - ADA Design

Rodger Gutierrez - Bike and Pedestrian Design

Highway Design Manual 2025

The Highway Design Manual provides guidance for the design of:

  • New construction and major reconstruction (4R).
  • Resurfacing, restoration and rehabilitation (3R).
  • Resurfacing (1R) projects.

Use the 2025 Highway Design Manual on all projects with the Plans, Specifications and Estimates (PS&E) milestone on and after January 1, 2025. 

Projects that reach the PS&E milestone before January 1, 2025 may use the 2024 or 2025 Highway Design Manual. The 2024 version of the Highway Design Manual is available under the "Past Editions" heading below. 

Hard copies are not available for purchase.

Summary of Updates

The HDM Revision Summary identifies the revisions to the Highway Design Manual.

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

Appendices

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

H - Highway Division Maintenance Operational Notice: MG 100 thru 107

J - Highway Division Maintenance Operational Notice MG144-03: Traffic Signal Work and Americans with Disabilities Act (ADA)

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  I, K and O blank.

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

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​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.

Technical Guidance