Highway Design Library

Geometric Design

Project Development and Design Manual (PDDM)

PDDM
FHWA (2005)
The FLH Project Development and Design Manual. See also listing of State Design Manuals.

Park Road Standards

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

Flexibility in Highway Design

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

Design Visualization Guide

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

Writing Specifications

Specification Writers' Guide For Federal Lands Highway

Specification 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 Procedures

FLH Specification Procedures
FHWA, May 2008
Procedures for creating and using specifications for FLH projects.

Signs and Striping

Manual on Uniform Traffic Control Devices

MUTCD
FHWA, 2009
The current Manual on Uniform Traffic Control Devices.

Standard Highway Signs

SHS
FHWA, 2004
The current Standard Highway Signs manual.

Miscellaneous

Barrier Guide for Low Volume and Low Speed Roads Barrier Guide for Low Volume and Low Speed Roads
FHWA, 2005
Guidelines for warranting roadside barriers, selection of barrier types, and design and placement criteria.



Safety