Highway Design Library

Geometric Design

Project Development and Design Manual (PDDM)PDDM
FHWA (2005)
The FLH Project Development and Design Manual.

CADD Tips and Tricks
Information about the Computer Aided Design and Drafting (CADD) software used by FLH

Design Visualization GuideDesign Visualization Guide
This document introduces visualization tools and innovative visualization practices

FWS Roadway Design GuidelinesAcrobat Icon FWS Roadway Design Guidelines  (Acrobat, 3.38 MB)
US Fish and Wildlife Service (FWS), 2012
Highlights state of the art ecological, planning, design and engineering considerations for roadway projects located within FWS managed lands

Park Road StandardsAcrobat Icon Park Road Standards  (Acrobat, 1.72 MB)
National Park Service, 1984
Design standards for use on Park road projects

Separated Bike Lane Planning and Design GuideSeparated Bike Lane Planning and Design Guide
FHWA, 2015
The Guide outlines planning considerations and design options for separated bike lanes.

Flexibility in Highway DesignFlexibility in Highway Design
This FHWA document illustrates the flexibility already available to designers within adopted standards.

Writing Specifications

Specification Writers' Guide For Federal Lands HighwaySpecification Writers' Guide For Federal Lands Highway
FHWA, May 2008
This Guide is intended for writers that develop specifications for the Federal Highway Administration's (FHWA) Federal Lands Highway Program (FLH). This Guide is to promote and facilitate the writing of specifications that conform to the five Cs of specification writing -- clear, concise, complete, correct, and consistent.

Federal Lands Highway Specification ProceduresFLH Specification Procedures
FHWA, May 2008
Procedures for creating and using specifications for FLH projects.

Development and Review of Specifications
FHWA, March 2010
This technical advisory was developed for the FHWA division office staff for use in interacting with State specifications. However the document also contains best practices and recommendations useful for developing and writing clear, concise, correct, complete, and consistent specifications. (See the attachments beginning on page 23.)

Signs and Markings

Manual on Uniform Traffic Control DevicesMUTCD
FHWA, 2012
The current Manual on Uniform Traffic Control Devices.

Sign and Poster Guidelines for the Forest ServiceSign and Poster Guidelines for the Forest Service
USDA Forest Service, 2013
Forest Service policy regarding signs and posters.

DOD Supplement to the MUTCD
Department of Defense, 2015
Supplements to the MUTCD for use on military bases.

Standard Highway SignsStandard Highway Signs
FHWA, 2004
The current Standard Highway Signs manual.

NPS Uniguide Standards Manual

The National Park Service signing manual.


Barrier Guide for Low Volume and Low Speed RoadsAcrobat Icon Barrier Guide for Low Volume and Low Speed Roads  (Acrobat, 2.76 MB)
FLH, 2005
This Guide is intended to provide assistance in the warranting, selection, and design of roadside barriers. The Guide is prepared specifically for warranting, selecting, and designing barriers on Federal Lands Highways projects that are low volume and/or low speed facilities. The guidelines present practical and useful guidance for common conditions and situations encountered in the design of roadside barriers for Federal Lands Highway projects.

Acrobat Icon Rumble Strip Guidelines: For Shoulder and Centerline Applications  (Acrobat, 247 KB)
FHWA, 2015
Provides FLH guidance for when and where to install rumble strips.

AASHTO Task Force 13
Task Force 13 develops, recommends, and promotes standards and specifications for bridge and road hardware used by highway and transportation agencies on the nation's roadways. Site contains links to publications describing current roadside hardware.

View additional Safety links


FHWA Environment Resources
Links to environmental resources at FHWA.

Roadside RevegetationAcrobat Icon Roadside Revegetation: An Integrated Approach to Establishing Native Plants  (Acrobat, 15.95 MB)
FHWA, 2007
This report offers an integrated approach to facilitate the successful establishment of native plants along roadsides and other areas of disturbance associated with road modifications.

Environmental Review Toolkit
Links to FHWA and other U.S. Department of Transportation (DOT) policies, procedures, and guidance related to the environment and transportation.

Roadside Use of Native PlantsRoadside Use of Native Plants
FHWA, 1999
Listing of native plants by state.

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