Text Size:   A+ A- A   •   Text Only
Site Image

Highway Design Manual

About Us

Roadway Engineering is responsible for the update and interpretation of the Highway Design Manual.  This unit is located in the Traffic-Roadway section.

Dave Polly
Senior Standards Engineer
(503) 986-3738
 Lily Nguyen
Operations & Design Manual      
(503) 986-3772
Urban Design
Rich Crossler-Laird
Senior Urban Design Engineer  
(503) 986-3741
Rural Design
Christopher Henson
Senior Roadway Engineer
(503) 986-3561
Interchange Design
Kent Belleque
Senior Interchange Design Engineer   
(503) 986-3536
Interchange Design
Dave Warrick
Interchange Engineer
(503) 986-3560

Back to Top

2012 English Manual

Title Page/Preface

Table of Contents


1 - Design Standard Policies and Processes

2 - Design Controls and Criteria

3 - Elements of Design

4 - Cross Section Elements

5 - Urban and Rural Freeway Design

6 - Urban Highway Design (Non - Freeway)

7 - Rural Highway Design (Non - Freeway)

8 - Intersections

9 - Grade Separations and Interchanges

10 - Special Design Elements

11 - Roadside Inventory, Design Process, Survey, and Right of Way

12 - Public Transportation and Guidelines

13 - Pedestrian and Bicycle

14 - Design Exception Process

15 - Contract Plans, Specifications, and Estimates

16 - 3D Roadway Design



Appendix A - Functional Classification

Appendix B - OHP Highway Classification by Milepoint

Appendix C - Freight Mobility, Vertical Clearance, and Resources

Appendix I - Intentionally left blank

Full HDM in one PDF   (Note: This file is 49 MB)
Summary Document - This file contains a summary of each chapter and highlights some of the differences between the 2012 and the 2003 HDM editions.

FHWA Approval 

Back to Top

Tech Bulletins & Exceptions

These related sites may be of interest:
1) Technical Bulletins 
2) Design Exceptions

Back to Top

Change Requests

If you would like to suggest changes to the Highway Design Manual, fill out the form on the "Request for Change to Highway Design Manual" page.

Back to Top

Ordering Copies

The 2012 Highway Design Manual is an on-line document.  No hard copies are available for sale.
Back to Top