Additional Design Guides

AASHTO Geometric Design of Highways and Streets

• The intent of this policy is to provide guidance to the designer by referencing a recommended range of values for critical dimensions.

AASHTO Roadside Design Guide

• This publication is intended to present information on the latest state-of-the practice in roadway safety.

AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities

• The purpose of this guide is to provide guidance on the planning, design, and operation of pedestrian facilities along streets and highways.

AASHTO Guide for the Development of Bicycle Facilities

• This guide provides information on how to accommodate bicycle travel and operations in most riding environments. It is intended to present sound guidelines that result in facilities that meet the needs of bicyclists and other highway users.

ITE 

• The intent of this policy is provide detailed description of new urban and person-based trip data and the number of trips that may be generated by a specific land use.